Log in

Relevant bibliographies by topics / Transient structural analysis

Contents

Journal articles
Dissertations / Theses
Books
Book chapters
Conference papers
Reports

Academic literature on the topic 'Transient structural analysis'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Transient structural analysis.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Transient structural analysis"

1

Liu, Liang, Zheng Lin Liu, Jun Wang, and En Gao Peng. "Coupled Thermal-Structural Analysis of Mechanical Seal." Advanced Materials Research 479-481 (February 2012): 1110–14. http://dx.doi.org/10.4028/www.scientific.net/amr.479-481.1110.

Full text

Abstract:

Based on ANSYS software and combined with the theory trends on stern shaft seal performance, the steady-state thermal structure coupling and transient thermal structure coupling analysis of stern shaft mechanical seal had been carried on. It showed that the transient thermal structure coupling analysis was more close to the actual condition of stern shaft seal. The result of transient state analysis indicated the thermal-mechanical effect on seal face during starting, and showed that the contact area was decreased especially the temperture rise rapidly inside of the seal.

APA, Harvard, Vancouver, ISO, and other styles

2

Kubomura, K. "Transient Loads Analysis by Dynamic Condensation." Journal of Applied Mechanics 52, no. 3 (1985): 559–64. http://dx.doi.org/10.1115/1.3169101.

Full text

Abstract:

This paper investigates an alternative finite-difference time-integration procedure in structural dynamics. The integral form of the equation of motion, instead of the differential form, is used to develop the finite-difference time-integration method. An expression called dynamic condensation is presented to relate the dynamic response and unknown force at a limited number of degrees of freedom. A stable and accurate method of analysis is derived to determine the transient loads of structural components in a structural system without constructing the system equation of motion.

APA, Harvard, Vancouver, ISO, and other styles

3

Gordis, Joshua H., and Jeffrey Radwick. "Efficient Transient Analysis for Large Locally Nonlinear Structures." Shock and Vibration 6, no. 1 (1999): 1–9. http://dx.doi.org/10.1155/1999/269370.

Full text

Abstract:

A general and exact theory for transient structural synthesis is extended to address structural systems with an arbitrary number of localized sources of structural dynamic nonlinearity. The formulation is independent of model size, in that only those model degrees-of-freedom of interest need be retained in the synthesis. The theory provides for the efficient calculation of nonlinear transient response due to externally applied loads and prescribed base motions. The theory can function as a substructure coupling and structural modification procedure allowing structural nonlinearities to be isolated from the remaining linear substructures, which are solved once. The nonlinear synthesis in effect installs the nonlinear elements and calculates the nonlinear transient response. An example demonstrate the order of magnitude decrease in time required, as compared to traditional direct integration.

APA, Harvard, Vancouver, ISO, and other styles

4

Hari Kishan, A., and Pilla Kondalarao. "Transient Structural Analysis of Electric Bus Chassis Frame." IOP Conference Series: Materials Science and Engineering 1185, no. 1 (2021): 012038. http://dx.doi.org/10.1088/1757-899x/1185/1/012038.

Full text

APA, Harvard, Vancouver, ISO, and other styles

5

FUJIMORI, Daisuke, Kenji TAKAHASHI, Nozomu NUMATA, Toru YAMAZAKI, and Yuichi MATSUMURA. "640 Analysis of Transient Structural Intensity on Beam." Proceedings of the Dynamics & Design Conference 2011 (2011): _640–1_—_640–10_. http://dx.doi.org/10.1299/jsmedmc.2011._640-1_.

Full text

APA, Harvard, Vancouver, ISO, and other styles

6

Liu, Dong, Feihong Yun, Wuchao Wang, et al. "Sealing Contact Transient Thermal-Structural Coupling Analysis of the Subsea Connector." Machines 10, no. 3 (2022): 213. http://dx.doi.org/10.3390/machines10030213.

Full text

Abstract:

Taking the subsea collect connector as an example, the sealing characteristics of the sealing structure of the subsea connector under transient thermal–structural coupling were studied. Based on Airy’s thermal stress function, the mathematical model was established, the complex stress function was used to solve the problem, and a three-dimensional transient thermal stress model of the core sealing parts was obtained. The transient thermal–structural coupling stress model of the core seal was obtained by linear superposition principle. The transient temperature field of the subsea collet connector under different working conditions was analyzed. It was found that the larger the temperature difference between the components was, the greater the difference of expansion rate was, and the greater the impact on the sealing performance of LSG was in the process of temperature variation from transient to steady distribution. Numerical simulations of various working conditions under the transient temperature field were carried out. The results showed that sudden change of the temperature and oil–gas pressure will bring about large fluctuations of the maximum contact stress and equivalent stress of the seal, which was easy to fatigue wear, and thus affect the reliability of the sealing performance. Finally, the experiment proves that the sealing ring can maintain sealing performance under the conditions of temperature-cyclic loading. The coupled mathematical model proposed in this paper could be used for the transient thermal–structural coupling theoretical analysis of similar subsea equipment.

APA, Harvard, Vancouver, ISO, and other styles

7

Kraus, Pavel, Juraj Úradníček, Miloš Musil, and Michal Bachratý. "Effective Thermo-Structural Analysis for Disc Brake System Simulation." Strojnícky casopis – Journal of Mechanical Engineering 68, no. 2 (2018): 125–30. http://dx.doi.org/10.2478/scjme-2018-0022.

Full text

Abstract:

AbstractThe evaluation of disk brake squeal is nowadays performed using Finite Element Model. In this standard procedure the thermal effects are omitted. The omission is done because of long computing time of fully coupled brake system thermo-structural transient analysis. This paper is presenting an effective uncoupled thermo-structural FEM procedure. This method is applied on a pin-on-disc system and its time effectiveness is compared to standard full coupled transient analysis.

APA, Harvard, Vancouver, ISO, and other styles

8

Belyi, M. V. "Superelement method for transient dynamic analysis of structural systems." International Journal for Numerical Methods in Engineering 36, no. 13 (1993): 2263–86. http://dx.doi.org/10.1002/nme.1620361308.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Greene, William H., and Raphael T. Haftka. "Computational aspects of sensitivity calculations in transient structural analysis." Computers & Structures 32, no. 2 (1989): 433–43. http://dx.doi.org/10.1016/0045-7949(89)90054-0.

Full text

APA, Harvard, Vancouver, ISO, and other styles

10

Stepanishen, P. R., Q. Huynh, and T. Greene. "Adaptive wavelet analysis of transient signals in structural acoustics." Journal of the Acoustical Society of America 94, no. 3 (1993): 1824. http://dx.doi.org/10.1121/1.407798.

Full text

APA, Harvard, Vancouver, ISO, and other styles

More sources

Dissertations / Theses on the topic "Transient structural analysis"

1

Schaedlich, Mirko. "Nonlinear transient structural response analysis." Thesis, University of Southampton, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438667.

Full text

APA, Harvard, Vancouver, ISO, and other styles

2

Clark, Howard Travis. "Structural simulation coupling for transient analysis." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/42540.

Full text

APA, Harvard, Vancouver, ISO, and other styles

3

Kim, Yool A. (Yool Ah). "Transient thermo-structural analysis of an insulated space structure." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/47384.

Full text

APA, Harvard, Vancouver, ISO, and other styles

4

Greene, William H. "Computational aspects of sensitivity calculations in linear transient structural analysis." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54180.

Full text

Abstract:

A study has been performed focusing on the calculation of sensitivities of displacements, velocities, accelerations, and stresses in linear, structural, transient response problems. One significant goal of the study was to develop and evaluate sensitivity calculation techniques suitable for large-order finite element analyses. Accordingly, approximation vectors such as vibration mode shapes are used to reduce the dimensionality of the finite element model. Much of the research focused on the accuracy of both response quantities and sensitivities as a function of number of vectors used. Two types of sensitivity calculation techniques were developed and evaluated. The first type of technique is an overall finite difference method where the analysis is repeated for perturbed designs. The second type of technique is termed semianalytical because it involves direct, analytical differentiation of the equations of motion with finite difference approximation of the coefficient matrices. To be computationally practical in large-order problems, the overall finite difference methods must use the approximation vectors from the original design in the analyses of the perturbed models. In several cases this fixed mode approach resulted in very poor approximations of the stress sensitivities. Almost all of the original modes were required for an accurate sensitivity and for small numbers of modes, the accuracy was extremely poor. To overcome this poor accuracy, two semi-analytical techniques were developed. The first technique accounts for the change in eigenvectors through approximate eigenvector derivatives. The second technique applies the mode acceleration method of transient analysis to the sensitivity calculations. Both result in accurate values of the stress sensitivities with a small number of modes. In both techniques the computational cost is much less than would result if the vibration modes were recalculated and then used in an overall finite difference method.<br>Ph. D.

APA, Harvard, Vancouver, ISO, and other styles

5

Katsanis, George R. Mr. "Transient Small Wind Turbine Tower Structural Analysis with Coupled Rotor Dynamic Interaction." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/960.

Full text

Abstract:

Structural dynamics is at the center of wind turbine tower design - excessive vibrations can be caused by a wide range of environmental and mechanical sources and can lead to reduced component life due to fatigue, noise, and impaired public perception of system integrity. Furthermore, periodic turbulent wind conditions can cause system resonance resulting in significantly increased structural loads. Structural vibration issues may become exacerbated in small wind applications where the analytical and experimental resources for system verification and optimization are scarce. This study combines several structural analysis techniques and packages them into a novel and integrated form that can be readily used by the small wind community/designer to gain insight into tower/rotor dynamic interaction, system modal characteristics, and to optimize the design for reduced tower loads and cost. The finite element method is used to model the tower structure and can accommodate various configurations including fixed monopole towers, guy-wire supported towers, and gin-pole and strut supported towers. The turbine rotor is modeled using the Equivalent Hinge-Offset blade model and coupled to the tower structure through the use of Lagrange’s Equations. Standard IEC Aeroelastic load cases are evaluated and transient solutions developed using the Modal Superposition Method and Runge-Kutta 4th order numerical integration. Validation is performed through comparisons to theoretical closed form solutions, physical laboratory test results, and peer studies. Finally a case study is performed by using the tool to simulate the Cal Poly Wind Power Research Center Wind Turbine and Tower System. Included in the case study is an optimization for hypothetical guy-wire placement to minimize tower stresses and maximize the tower’s natural frequency.

APA, Harvard, Vancouver, ISO, and other styles

6

Verdugo, Rojano Francesc. "Error assessment and adaptivity for structural transient dynamics." Doctoral thesis, Universitat Politècnica de Catalunya, 2013. http://hdl.handle.net/10803/286745.

Full text

Abstract:

The finite element method is a valuable tool for simulating complex physical phenomena. However, any finite element based simulation has an intrinsic amount of error with respect to the exact solution of the selected physical model. Being aware of this error is of notorious importance if sensitive engineering decisions are taken on the basis of the numerical results. Assessing the error in elliptic problems (as structural statics) is a well known problem. However, assessing the error in structural transient dynamics is still ongoing research. The present thesis aims at contributing on error assessment techniques for structural transient dynamics. First, a new approach is introduced to compute bounds of the error measured in some quantity of interest. The proposed methodology yields error bounds with better quality than the already available approaches. Second, an efficient methodology to compute approximations of the error in the quantity of interest is introduced. The proposed technique uses modal analysis to compute the solution of the adjoint problem associated with the selected quantity of interest. The resulting error estimate is very well suited for time-dependent problems, because the cost of computing the estimate at each time step is very low. Third, a space-time adaptive strategy is proposed. The local error indicators driving the adaptive process are computed using the previously mentioned modal-based error estimate. The resulting adapted approximations are more accurate than the ones obtained with an straightforward uniform mesh refinement. That is, the adapted computations lead to lower errors in the quantity of interest than the non-adapted ones for the same number of space-time elements. Fourth, a new type of quantities of interest are introduced for error assessment in time-dependent problems. These quantities (referred as timeline-dependent quantities of interest) are scalar time-dependent outputs of the transient solution and are better suited to time-dependent problems than the standard scalar ones. The error in timeline-dependent quantities is eficiently assessed using the modal-based description of the adjoint solution. The thesis contributions are enclosed in five papers which are attached to the thesis document.<br>El mètode dels elements finits és una eina valuosa per a simular fenòmens físics complexos. Tot i això, aquest mètode només proporciona aproximacions de la solució exacta del model físic considerat. Per tant, quantificar l'error comés en l'aproximació és important si la simulació numèrica s'utilitza per a prendre decisions que poden tenir importants conseqüències. Actualment, les eines que permeten avaluar aquest error són ben conegudes per a problemes estacionaris, però encara presenten importants limitacions per a problemes transitoris com la dinàmica d'estructures. L'objectiu d'aquest treball és contribuir a millorar les tècniques existents per estimar l'error en dinàmica d'estructures i proposar-ne de noves. La primera contribució és una nova metodologia per a calcular cotes de l'error en una quantitat d'interès del problema. Les cotes proposades són més precises i proporcionen una millor estima de l'error que les cotes calculades amb tècniques prèvies. La segona contribució és una una nova tècnica que proporciona aproximacions de l'error en una quantitat d'interès utilitzant càlculs eficients. La novetat principal d'aquesta proposta és aproximar la solució del problema adjunt associat a la quantitat d'interès utilitzant l'anàlisi modal. El resultat és un estimador de l'error indicat particularment per a problemes transitoris, ja que el cost de calcular l'estimador a cada pas de temps és molt baix. La tercera contribució és una tècnica que permet construir de manera adaptada tant la discretizació temporal com espacial amb l'objectiu de millorar l'eficiència de la simulació. Aquesta tècnica es basa en la informació proporcionada per l'estima de l'error amb anàlisi modal. Les aproximacions calculades utilitzant les discretitzacions adaptades són més precises que les obtingudes amb un simple refinament uniforme de la malla de càlcul. És a dir, les discretitzacions adaptades proporcionen un error en la quantitat d'interès menor que les discretizacions no adaptades per al mateix nombre d'elements espai-temps. Finalment, la quarta contribució és un nou tipus de quantitats d'interès especialment indicades per a estimar l'error en problemes transitoris. Aquest nou tipus de quantitats són funcions escalars dependents del temps que proporcionen una informació més completa sobre l'error en problemes transitoris que les quantitats d'interès estàndard. L'error en aquestes noves quantitats és estimat eficientment utilitzant la descripció modal de la solució del problema adjunt. Les contribucions d'aquest treball es troben recopilades en cinc articles que s'inclouen adjunts en el document de la tesi.

APA, Harvard, Vancouver, ISO, and other styles

7

Camarda, Charles J. "Development of advanced modal methods for calculating transient thermal and structural response." Diss., Virginia Tech, 1990. http://hdl.handle.net/10919/39810.

Full text

Abstract:

This dissertation evaluates higher-order modal methods for predicting thermal and structural response. More accurate methods or ones which can significantly reduce the size of complex, transient thermal and structural problems are desirable for analysis and are required for synthesis of real structures subjected to thermal and mechanical loading. A unified method is presented for deriving successively higher-order modal solutions related to previously developed, lower-order methods such as the mode-displacement and mode-acceleration methods. A new method, called the force derivative method, is used to obtain higher-order modal solutions for both uncoupled (proportionally-damped) structural problems as well as thermal problems and coupled (non-proportionally damped) structural problems. The new method is called the force-derivative method because, analogous to the mode-acceleration method, it produces a term that depends on the forcing function and additional terms that depend on the time derivatives of the forcing function. The accuracy and convergence history of various modal methods are compared for several example problems, both structural and thermal. The example problems include the case of proportional damping for: a cantilevered beam subjected to a quintic time varying tip load and a unit step tip load and a muItispan beam subjected to both uniform and discrete quintic time-varying loads. Examples of non-proportional damping include a simple two-degreeof-freedom spring-mass system with discrete viscous dampers subjected to a sinusoidally varying load and a multispan beam with discrete viscous dampers subjected to a uniform, quintic time varying load. The last example studied is a transient thermal problem of a rod subjected to a linearly-varying, tip heat load.<br>Ph. D.

APA, Harvard, Vancouver, ISO, and other styles

8

Althoff, Eric C. "Detailed and Simplified Structural Modeling and Dynamic Analysis of Nuclear Power Plant Structures." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492642525831339.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Colley, Christopher S. "Time-resolved infrared spectroscopy of organic and biological transient species." Thesis, Nottingham Trent University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367318.

Full text

APA, Harvard, Vancouver, ISO, and other styles

10

Nasir, Azhar Mahmood. "Axisymmetric shell structures for multi-use." Thesis, Queensland University of Technology, 2002. https://eprints.qut.edu.au/36147/1/36147_Digitised%20Thesis.pdf.

Full text

Abstract:

Shell structures find use in many fields of engineering, notably structural, mechanical, aerospace and nuclear-reactor disciplines. Axisymmetric shell structures are used as dome type of roofs, hyperbolic cooling towers, silos for storage of grain, oil and industrial chemicals and water tanks. Despite their thin walls, strength is derived due to the curvature. The generally high strength-to-weight ratio of the shell form, combined with its inherent stiffness, has formed the basis of this vast application. With the advent in computation technology, the finite element method and optimisation techniques, structural engineers have extremely versatile tools for the optimum design of such structures. Optimisation of shell structures can result not only in improved designs, but also in a large saving of material. The finite element method being a general numerical procedure that could be used to treat any shell problem to any desired degree of accuracy, requires several runs in order to obtain a complete picture of the effect of one parameter on the shell structure. This redesign I re-analysis cycle has been achieved via structural optimisation in the present research, and MSC/NASTRAN (a commercially available finite element code) has been used in this context for volume optimisation of axisymmetric shell structures under axisymmetric and non-axisymmetric loading conditions. The parametric study of different axisymmetric shell structures has revealed that the hyperbolic shape is the most economical solution of shells of revolution. To establish this, axisymmetric loading; self-weight and hydrostatic pressure, and non-axisymmetric loading; wind pressure and earthquake dynamic forces have been modelled on graphical pre and post processor (PATRAN) and analysis has been performed on two finite element codes (ABAQUS and NASTRAN), numerical model verification studies are performed, and optimum material volume required in the walls of cylindrical, conical, parabolic and hyperbolic forms of axisymmetric shell structures are evaluated and reviewed. Free vibration and transient earthquake analysis of hyperbolic shells have been performed once it was established that hyperbolic shape is the most economical under all possible loading conditions. Effect of important parameters of hyperbolic shell structures; shell wall thickness, height and curvature, have been evaluated and empirical relationships have been developed to estimate an approximate value of the lowest (first) natural frequency of vibration. The outcome of this thesis has been the generation of new research information on performance characteristics of axisymmetric shell structures that will facilitate improved designs of shells with better choice of shapes and enhanced levels of economy and performance. Key words; Axisymmetric shell structures, Finite element analysis, Volume Optimisation_ Free vibration_ Transient response.

APA, Harvard, Vancouver, ISO, and other styles

More sources

Books on the topic "Transient structural analysis"

1

Greene, William H. Computational aspects of sensitivity calculations in transient structural analysis. National Aeronautics and Space Administration, Langley Research Center, 1988.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

2

Greene, William H. Computational aspects of sensitivity calculations in transient structural analysis. National Aeronautics and Space Administration, Langley Research Center, 1988.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

3

H, Greene William. Computational aspects of sensitivity calculations in linear transient structural analysis. National Aeronautics and Space Administration, Offfice of Management, Scientific and Technical Information Division, 1990.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

4

H, Greene William. Computational aspects of sensitivity calculations in linear transient structural analysis. National Aeronautics and Space Administration, Offfice of Management, Scientific and Technical Information Division, 1990.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

5

D, Holland Anne, and Langley Research Center, eds. Transient/structural analysis of a combustor under explosive loads. National Aeronautics and Space Administration, Langley Research Center, 1992.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

6

Keith, Belvin W., and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Exact methods for modal transient response analysis including feedback control. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

7

W, Bostic Susan, Camarda Charles J, and Langley Research Center, eds. Development and comparison of advanced reduced-basis methods for the transient structural analysis of unconstrained structures. National Aeronautics and Space Administration, Langley Research Center, 1993.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

8

Center, Langley Research, ed. Development of advanced modal methods for calculating transient thermal and structural response. National Aeronautics and Space Administration, Langley Research Center, 1991.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

9

Louis, Abrahamson A., and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Large angle transient dynamics (LATDYN): User's manual. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

10

Wu, Shih-Chin. Large angle transient dynamics (LATDYN): Demonstration problem manual. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

More sources

Book chapters on the topic "Transient structural analysis"

1

Vlach, R. "Coupled Thermal-Structural Transient Analysis of Pressure Sensors." In Mechatronics 2013. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-02294-9_63.

Full text

APA, Harvard, Vancouver, ISO, and other styles

2

An, Chen, Menglan Duan, Segen F. Estefen, and Jian Su. "Transient Analysis of Multilayer Composite Pipelines with Active Heating." In Structural and Thermal Analyses of Deepwater Pipes. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53540-7_16.

Full text

APA, Harvard, Vancouver, ISO, and other styles

3

Wai-Ming Ho, Goman, and Goman Wai-Ming Ho. "Techniques in Transient Analysis of Semi-Rigid Steel Frames." In Structural Dynamic Systems Computational Techniques and Optimization. Routledge, 2024. https://doi.org/10.4324/9781003580713-2.

Full text

APA, Harvard, Vancouver, ISO, and other styles

4

Panda, Saleema, and Manoranjan Barik. "Nonlinear Transient Vibration Analysis of Arbitrary Thin Plates Using Superparametric Element." In Facing the Challenges in Structural Engineering. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61914-9_28.

Full text

APA, Harvard, Vancouver, ISO, and other styles

5

Cruse, T. A., H. R. Millwater, S. V. Harren, and J. B. Dias. "Application of Probabilistic Structural Modelling to Elastoplastic and Transient Analysis." In Lecture Notes in Engineering. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84362-4_7.

Full text

APA, Harvard, Vancouver, ISO, and other styles

6

Savić, Lj R. "Some Geometrical Features of the Rate-Type Plasticity Theory for Structural Metals." In Transient/Dynamic Analysis and Constitutive Laws for Engineering Materials. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3655-3_68.

Full text

APA, Harvard, Vancouver, ISO, and other styles

7

Chen, Chen. "Simulation Analysis of Energy Absorption Characteristics of Corrugated Beams in Civil Aircrafts." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_92.

Full text

Abstract:

Abstract Corrugated beams are widely used in the structural design of cargo floor supports in civil aircraft due to their good load carrying capacity and impact resistance characteristics. In this paper, based on the explicit integral algorithm of transient dynamics and the finite element analysis method, the nonlinear process of corrugated beam structure in crash is calculated and analysed. The results show that the energy-absorbing performance of corrugated beams can be greatly improved after increasing the wavelength and reducing the amplitude and thickness, making them lightweight and efficient energy-absorbing components.

APA, Harvard, Vancouver, ISO, and other styles

8

Madenci, Erdogan, Sundaram Vinod Kumar Anicode, and Yanan Zhang. "Coupled Peridynamics and Finite Element Method for Static and Transient Structural Analysis." In Peridynamics and Its Applications Using Ansys. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-59896-8_13.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Cepeda-Rizo, Juan, Jeremiah Gayle, and Joshua Ravich. "Phase Change γ-Alumina Aqueous-Based Nanofluid for Improving Heat Pipe Transient Efficiency (The Nano Heat Pipe)." In Thermal and Structural Electronic Packaging Analysis for Space and Extreme Environments. CRC Press, 2021. http://dx.doi.org/10.1201/9781003247005-9.

Full text

APA, Harvard, Vancouver, ISO, and other styles

10

Duan, J., M. D. Xue, and Z. H. Xiang. "A Kind of Channel-Section Beam Element for Transient Coupled Thermal-Structural Dynamic Analysis." In Computational Methods in Engineering & Science. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-48260-4_61.

Full text

APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Transient structural analysis"

1

Atac, Meryem, and Altan Kayran. "Comparative Study of Finite Element Analysis and Geometrically Exact Beam Analysis of a Composite Helicopter Blade." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11536.

Full text

Abstract:

In this paper, comparative study of the finite element analysis and geometrically exact beam analysis of a composite helicopter blade is performed. The objective of this study is to investigate the applicability of the geometrically exact beam analysis of the composite helicopter blade in predicting the structural response of the composite blade. To evaluate the structural response determined by the geometrically exact beam analysis of the composite blade, detailed finite element model of the blade is prepared and the structural response of two methods are compared for different static and transient load cases and dynamic analysis. Geometrically exact beam analysis utilizes variational asymptotic beam section analysis for the calculation of sectional stiffness and mass matrices, and general deformation of the blade for the static and transient load cases can be determined with high accuracy. Three dimensional stresses in the selected blade sections can also be determined via the stress recovery feature of the variational asymptotic beam section method. It is shown that the neutral axis, shear center, still air natural frequency, static and transient displacement and static stress analysis results of the cross-sectional analysis tools, VABS and GEBT together, match perfectly with the FEM results for the rectangular section and airfoil section blade models studied. It is considered that especially for the structural design of the airfoil sections of the blade, which requires many re-analyses due to frequent design changes in the detailed design stage, geometrically exact beam analysis can replace finite element method which requires longer modelling times to reflect the design changes.

APA, Harvard, Vancouver, ISO, and other styles

2

Viall, Wesley, Farbod Fahimi, and Babak Shotorban. "Analytical and Experimental Structural Load Variability in the UH-60A Airloads Program." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1253.

Full text

Abstract:

A framework for statistical comparison between analytical and experimental structural loads has been developed and applied to approximately 100 counters within the UH-60A Airloads test program. This framework relies on established structural load variability methods with novel applications to analytical structural load development maneuver time transient analysis. The analytical results are from Rotorcraft Comprehensive Analysis System (RCAS) spanwise structural loads developed with hub load and spanwise aerodynamic loads prescribed. RCAS consistently under predicted the Coefficient of Variation (COV) associated with spanwise Normal bending when compared to flight data. This resulted in significant scale factors required to achieve a μ+2σ reliability for structural load development. RCAS results for Edgewise bending scale factors proved slightly better than Normal bending in addition to more even over / under prediction of COV when compared to flight data.

APA, Harvard, Vancouver, ISO, and other styles

3

Yang, Xuan, Aswathi Sudhir, Atanu Halder, and Moble Benedict. "Aeroelastic Analysis for Highly Flexible Flapping Wing in Hover." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12114.

Full text

Abstract:

Aeromechanics of a flexible flapping wing is a complex nonlinear fluid-structure interaction problem and therefore, cannot be analyzed using conventional linear aeroelasticity methods. This paper presents a stand-alone coupled aeroelastic framework for highly flexible flapping wings in hover for Micro Aerial Vehicle (MAVs) application. A realistic hover-capable flapping-wing MAV utilizes highly flexible wings operating at high frequencies/amplitudes, which causes extreme wing deflections and highly unsteady, vortical flows. The strong fluid-structure coupling and the complicated flow physics make the performance of such a system extremely difficult to predict. The MAV-scale flapping wing is modeled using fully nonlinear beam and shell theories. A potential-flow-based unsteady aerodynamic model is then coupled with the structural model to generate high fidelity coupled aeroelastic framework. Both the structural and aerodynamic models are validated independently before coupling. Direct numerical transient analysis is performed using the Newmark-b method. The instantaneous lift force and wing deflection predictions from the coupled aeroelastic model correlated well with the force and deflection measurements (using Digital Image Correlation, DIC) obtained from in-house flapping wing experiments at both moderate (13 Hz) and high (20 Hz) flapping frequencies.

APA, Harvard, Vancouver, ISO, and other styles

4

Peck, Jeff, and Joseph Brunty. "X33 transient liftoff analysis." In 41st Structures, Structural Dynamics, and Materials Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-1585.

Full text

APA, Harvard, Vancouver, ISO, and other styles

5

CHAPMAN, J., F. SHAW, and W. RUSSELL. "Nonlinear transient analysis of joint dominated structures." In 28th Structures, Structural Dynamics and Materials Conference. American Institute of Aeronautics and Astronautics, 1987. http://dx.doi.org/10.2514/6.1987-892.

Full text

APA, Harvard, Vancouver, ISO, and other styles

6

WANG, SEMYUNG, and KYUNG CHOI. "Configuration design sensitivity analysis of transient response." In 33rd Structures, Structural Dynamics and Materials Conference. American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-2266.

Full text

APA, Harvard, Vancouver, ISO, and other styles

7

Kumar, Edagapur Kiran, Satya Krishna Palla, and D. Antony Prabu. "Modelling, structural optimization and transient thermal analysis of honeycomb structure." In INTERNATIONAL CONFERENCE ON MATHEMATICAL ANALYSIS AND ITS APPLICATIONS 2022 (IConMAA 2022): Analysis, Uncertainty, and Optimization. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0219440.

Full text

APA, Harvard, Vancouver, ISO, and other styles

8

Khalessi, M., H.-ZCollier, Lin, ier, M A, and A. D'Angelo. "Probabilistic transient dynamic impact analysis of PA103E2 insensitive munitions container." In 36th Structures, Structural Dynamics and Materials Conference. American Institute of Aeronautics and Astronautics, 1995. http://dx.doi.org/10.2514/6.1995-1265.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Saigal, Sunil, and Igor Kaljevic. "Boundary element transient analysis of problems with random boundary conditions." In 35th Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics, 1994. http://dx.doi.org/10.2514/6.1994-1514.

Full text

APA, Harvard, Vancouver, ISO, and other styles

10

MCGOWAN, DAVID, and SUSAN BOSTIC. "Comparison of advanced reduced-basis methods for transient structural analysis." In 32nd Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics, 1991. http://dx.doi.org/10.2514/6.1991-1059.

Full text

APA, Harvard, Vancouver, ISO, and other styles

Reports on the topic "Transient structural analysis"

1

Attaway, S. W., F. J. Mello, M. W. Heinstein, J. W. Swegle, J. A. Ratner, and R. I. Zadoks. PRONTO3D users` instructions: A transient dynamic code for nonlinear structural analysis. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/291042.

Full text

APA, Harvard, Vancouver, ISO, and other styles

2

Morrison, Dennis. Probabilistic Analysis of Nonlinear Structures Subjected to Transient Loads. Part 1. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada163235.

Full text

APA, Harvard, Vancouver, ISO, and other styles

3

McCallen, D., and A. Astaneh-Asl. SUSPNDRS: a numerical simulation tool for the nonlinear transient analysis of cable support bridge structures, part 1: theoretical development. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/605160.

Full text

APA, Harvard, Vancouver, ISO, and other styles

4

Diba, Dil Samina, Ninad Gore, and Srinivas Pulugurtha. Autonomous Shuttle Implementation and Best Practices. Mineta Transportation Institute, 2023. http://dx.doi.org/10.31979/mti.2023.2321.

Full text

Abstract:

When, where, and how autonomous shuttles are deployed can have significant safety, economic, and policy impacts on their operation and performance. This research analyzes data related to 120 existing deployments of autonomous shuttles, looking at safety, operational, economic, and policy-related issues. Analysis shows that autonomous shuttles would be an excellent supplement to public transportation. However, improvements to the vehicle and the infrastructure are needed before any permanent deployment. The study also analyzes the perceptions of practitioners, industry experts, and transportation system users toward autonomous shuttles. Principal Component Analysis (PCA) and Multiple Input Multiple Cause Structural Equation Modelling (SEM) approaches were adopted to analyze the perception data. The results from the PCA highlighted critical barriers to autonomous shuttle implementation, including underutilization measures, safety concerns, seating arrangements, reliability, data security, operational aspects, sensor technology, and lane use. The results from the SEM revealed that users’ willingness to use autonomous shuttles is influenced by their perceived safety, comfort, trust in autonomous shuttles, familiarity with autonomous shuttles, household income, age, and frequency of transit usage. A set of recommended best practices for deploying autonomous shuttles is proposed based on the insights from multiple case studies and the perceptions of practitioners and industry experts.

APA, Harvard, Vancouver, ISO, and other styles

5

Lokke, Arnkjell, and Anil Chopra. Direct-Finite-Element Method for Nonlinear Earthquake Analysis of Concrete Dams Including Dam–Water–Foundation Rock Interaction. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2019. http://dx.doi.org/10.55461/crjy2161.

Full text

Abstract:

Evaluating the seismic performance of concrete dams requires nonlinear dynamic analysis of two- or three-dimensional dam–water–foundation rock systems that include all the factors known to be significant in the earthquake response of dams. Such analyses are greatly complicated by interaction between the structure, the impounded reservoir and the deformable foundation rock that supports it, and the fact that the fluid and foundation domains extend to large distances. Presented in this report is the development of a direct finite-element (FE) method for nonlinear earthquake analysis of two- and three-dimensional dam–water–foundation rock systems. The analysis procedure applies standard viscous-damper absorbing boundaries to model the semi-unbounded fluid and foundation domains, and specifies at these boundaries effective earthquake forces determined from a ground motion defined at a control point on the ground surface. This report is organized in three parts, with a common notation list, references, and appendices at the end of the report. Part I develops the direct FE method for 2D dam–water–foundation rock systems. The underlying analytical framework of treating dam–water–foundation rock interaction as a scattering problem, wherein the dam perturbs an assumed "free-field" state of the system, is presented, and by applying these concepts to a bounded FE model with viscous-damper boundaries to truncate the semi-unbounded domains, the analysis procedure is derived. Step-by-step procedures for computing effective earthquake forces from analysis of two 1D free-field systems are presented, and the procedure is validated by computing frequency response functions and transient response of an idealized dam–water–foundation rock system and comparing against independent benchmark results. This direct FE method is generalized to 3D systems in Part II of this report. While the fundamental concepts of treating interaction as a scattering problem are similar for 2D and 3D systems, the derivation and implementation of the method for 3D systems is much more involved. Effective earthquake forces must now be computed by analyzing a set of 1D and 2D systems derived from the boundaries of the free-field systems, which requires extensive book-keeping and data transfer for large 3D models. To reduce these requirements and facilitate implementation of the direct FE method for 3D systems, convenient simplifications of the procedure are proposed and their effectiveness demonstrated. Part III of the report proposes to use the direct FE method for conducting the large number of nonlinear response history analyses (RHAs) required for performance-based earthquake engineering (PBEE) of concrete dams, and discusses practical modeling considerations for two of the most influential aspects of these analyses: nonlinear mechanisms and energy dissipation (damping). The findings have broad implications for modeling of energy dissipation and calibration of damping values for concrete dam analyses. At the end of Part III, the direct FE method is implemented with a commercial FE program and used to compute the nonlinear response of an actual arch dam. These nonlinear results, although limited in their scope, demonstrate the capabilities and effectiveness of the direct FE method to compute the types of nonlinear engineering response quantities required for PBEE of concrete dams.

APA, Harvard, Vancouver, ISO, and other styles

6

Pawlowski, Wojtek P., and Avraham A. Levy. What shapes the crossover landscape in maize and wheat and how can we modify it. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7600025.bard.

Full text

Abstract:

Meiotic recombination is a process in which homologous chromosomes engage in the exchange of DNA segments, creating gametes with new genetic makeup and progeny with new traits. The genetic diversity generated in this way is the main engine of crop improvement in sexually reproducing plants. Understanding regulation of this process, particularly the regulation of the rate and location of recombination events, and devising ways of modifying them, was the major motivation of this project. The project was carried out in maize and wheat, two leading crops, in which any advance in the breeder’s toolbox can have a huge impact on food production. Preliminary work done in the USA and Israeli labs had established a strong basis to address these questions. The USA lab pioneered the ability to map sites where recombination is initiated via the induction of double-strand breaks in chromosomal DNA. It has a long experience in cytological analysis of meiosis. The Israeli lab has expertise in high resolution mapping of crossover sites and has done pioneering work on the importance of epigenetic modifications for crossover distribution. It has identified genes that limit the rates of recombination. Our working hypothesis was that an integrative analysis of double-strand breaks, crossovers, and epigenetic data will increase our understanding of how meiotic recombination is regulated and will enhance our ability to manipulate it. The specific objectives of the project were: To analyze the connection between double-strand breaks, crossover, and epigenetic marks in maize and wheat. Protocols developed for double-strand breaks mapping in maize were applied to wheat. A detailed analysis of existing and new data in maize was conducted to map crossovers at high resolution and search for DNA sequence motifs underlying crossover hotspots. Epigenetic modifications along maize chromosomes were analyzed as well. Finally, a computational analysis tested various hypotheses on the importance of chromatin structure and specific epigenetic modifications in determining the locations of double-strand breaks and crossovers along chromosomes. Transient knockdowns of meiotic genes that suppress homologous recombination were carried out in wheat using Virus-Induced Gene Silencing. The target genes were orthologs of FANCM, DDM1, MET1, RECQ4, and XRCC2.

APA, Harvard, Vancouver, ISO, and other styles

7

Pirarat, Nopadon. Efficacy of encapsulated yeast (Saccharomyces cerevisiae)against streptococcosis in tilapia. Chulalongkorn University, 2015. https://doi.org/10.58837/chula.res.2015.79.

Full text

Abstract:

S. cerevisiae JCM 7255 from brewing industry was tested to be a possible probiotic candidate in aquaculture together with encapsulation and freeze-drying technique. In vitro viability and morphology analysis of probiotic during storage and during transient with stimulated tilapia gut and bile conditions were evaluated as well as In vivo growth performance efficacy, gut mucosal immune parameters and anti-Streptococcal activity. The In vitro results showed that the viabilities of encapsulated yeasts remained in the high number after storage in room temperature for 14 days, while the viability of free S. cerevisiae could not be detected after 7 days pass. The viability of encapsulated yeast in simulated gastric condition and in tilapia bile was significantly higher than the free non-encapsulated group. The morphology of free S. cerevisiae revealed oval, rough bumpy surface and 2- 4 budding knots with rupture on the surface during incubation in gut and bile conditions. The in vitro anti-streptococcal activity of encapsulated yeast using agar spot test showed inhibitory reaction against 20 from 30 strains of S. agalactiae. The in vivo study showed that supplementation with encapsulated yeast improved the intestinal structure and growth performance in tilapias. A significantly increase number of intraepithelial lymphocytes in proximal intestine were observed while acidophilic granulocytes and mucous cells were not statistically different in any part of the intestine. Lowering the cumulative mortality after oral streptococcal challenge was also observed without statistical significance when compare with control group. The results suggested that encapsulated S. cerevisiae JCM 2755 could be a potential probiotic candidate in tilapia culture.

APA, Harvard, Vancouver, ISO, and other styles

8

Yagci Sokat, Kezban. Understanding the Role of Transportation in Human Trafficking in California. Mineta Transportation Institute, 2022. http://dx.doi.org/10.31979/mti.2022.2108.

Full text

Abstract:

Human trafficking, a form of modern slavery, is the recruitment, transport, and/or transfer of persons using force, fraud, or coercion to exploit them for acts of labor or sex. According to the International Labor Organization, human trafficking is the fastest growing organized crime with approximately $150 billion in annual profits and 40.3 million individuals trapped in slave-like conditions. While it is not compulsory to involve transportation for human trafficking, the transportation industry plays a critical role in combating human trafficking as traffickers often rely on the transportation system to recruit, move, or transfer victims. This multi-method study investigates the role of transportation in combatting human trafficking in California by conducting a survey followed up with semi-structured in-depth interviews with key stakeholders. The expert input is supplemented with labor violations and transit accessibility analysis. Experts emphasize the importance of education, training, and awareness efforts combined with partnership, data, and analysis. Screening transportation industry personnel for human trafficking is another step that the industry can take to combat this issue. Particularly, sharing perpetrator information and transportation related trends among transportation modalities and local groups could help all anti-trafficking practitioners. In addition, the transportation industry can support the victims and survivors in their exit attempts and post/exit life. Examples of this support include serving as a safe haven, and providing transportation to essential services. Transportation should ensure that all of these efforts are survivor-centric, inclusive for all types of trafficking, and tailored to the needs of the modality, population, and location.

APA, Harvard, Vancouver, ISO, and other styles

9

Russo, David, and William A. Jury. Characterization of Preferential Flow in Spatially Variable Unsaturated Field Soils. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7580681.bard.

Full text

Abstract:

Preferential flow appears to be the rule rather than the exception in field soils and should be considered in the quantitative description of solute transport in the unsaturated zone of heterogeneous formations on the field scale. This study focused on both experimental monitoring and computer simulations to identify important features of preferential flow in the natural environment. The specific objectives of this research were: (1) To conduct dye tracing and multiple tracer experiments on undisturbed field plots to reveal information about the flow velocity, spatial prevalence, and time evolution of a preferential flow event; (2) To conduct numerical experiments to determine (i) whether preferential flow observations are consistent with the Richards flow equation; and (ii) whether volume averaging over a domain experiencing preferential flow is possible; (3) To develop a stochastic or a transfer function model that incorporates preferential flow. Regarding our field work, we succeeded to develop a new method for detecting flow patterns faithfully representing the movement of water flow paths in structured and non-structured soils. The method which is based on application of ammonium carbonate was tested in a laboratory study. Its use to detect preferential flow was also illustrated in a field experiment. It was shown that ammonium carbonate is a more conservative tracer of the water front than the popular Brilliant Blue. In our detailed field experiments we also succeeded to document the occurrence of preferential flow during soil water redistribution following the cessation of precipitation in several structureless field soils. Symptoms of the unstable flow observed included vertical fingers 20 - 60 cm wide, isolated patches, and highly concentrated areas of the tracers in the transmission zone. Soil moisture and tracer measurements revealed that the redistribution flow became fingered following a reversal of matric potential gradient within the wetted area. Regarding our simulation work, we succeeded to develop, implement and test a finite- difference, numerical scheme for solving the equations governing flow and transport in three-dimensional, heterogeneous, bimodal, flow domains with highly contrasting soil materials. Results of our simulations demonstrated that under steady-state flow conditions, the embedded clay lenses (with very low conductivity) in bimodal formations may induce preferential flow, and, consequently, may enhance considerably both the solute spreading and the skewing of the solute breakthrough curves. On the other hand, under transient flow conditions associated with substantial redistribution periods with diminishing water saturation, the effect of the embedded clay lenses on the flow and the transport might diminish substantially. Regarding our stochastic modeling effort, we succeeded to develop a theoretical framework for flow and transport in bimodal, heterogeneous, unsaturated formations, based on a stochastic continuum presentation of the flow and a general Lagrangian description of the transport. Results of our analysis show that, generally, a bimodal distribution of the formation properties, characterized by a relatively complex spatial correlation structure, contributes to the variability in water velocity and, consequently, may considerably enhance solute spreading. This applies especially in formations in which: (i) the correlation length scales and the variances of the soil properties associated with the embedded soil are much larger than those of the background soil; (ii) the contrast between mean properties of the two subdomains is large; (iii) mean water saturation is relatively small; and (iv) the volume fraction of the flow domain occupied by the embedded soil is relatively large.

APA, Harvard, Vancouver, ISO, and other styles

10

ANALYSIS OF TRANSIENT STRUCTURAL RESPONSES OF STEEL FRAMES WITH NONSYMMETRIC SECTIONS UNDER EARTHQUAKE MOTION. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.347.

Full text

Abstract:

An accurate structural analysis is a fundamental requirement for modern design. Nevertheless, this is often difficult for systems comprised of nonsymmetric members, primarily because of their complicated cross-section shapes with non-coincidence of shear center and centroid and complex buckling modes. Recent research using efficient line-finite-element formulations has made significant progress in simulating the buckling behavior of arbitrary open-section members for static loads. This paper extends this method by providing for second-order dynamic analysis of nonsymmetric sectional members. The numerical algorithms, including mathematical derivations, are provided and thoroughly validated via their implementation within the nonlinear analysis program MASTAN2-v5.

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!