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Relevant bibliographies by topics / Structural analysis (Engineering) Finite strip method

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Academic literature on the topic 'Structural analysis (Engineering) Finite strip method'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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Journal articles on the topic "Structural analysis (Engineering) Finite strip method"

1

Mańko, Zbigniew. "Thermal analysis of engineering structure by the finite strip method." Canadian Journal of Civil Engineering 13, no. 6 (December 1, 1986): 761–68. http://dx.doi.org/10.1139/l86-111.

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In order to calculate internal forces of a structure resulting from heat input, it is necessary to know how thermal conduction in relation to specific material properties and boundary conditions determines the temperature distribution at various points of the structure. The finite strip method (FSM) is very suitable for the analysis of heat and temperature distribution, heating, and thermal conduction in engineering structures. It (FSM) is especially suitable for those structures of rectangular shape and of identical edge conditions.The work presented illustrates several examples for various types of engineering structures utilizing the FSM for the analysis of thermal conduction and heat and temperature distribution, such as, for instance, the welding of several joined elements with linear welds made at a specified speed or as point welds. Types of structures subject to thermal analysis may be bars, shields, square and rectangular plates, steel orthotropic plates, steel and combined girders (steel–concrete), and box girders. The obtained results may be useful in engineering practice for determining actual temperatures and load capacities in individual elements of the construction. Key words: structural engineering, thermal analysis, finite strip method, heating, thermal conduction, temperature, engineering structures.

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Ekhande, Shantaram G., and George Abdel-Sayed. "Application of compound finite strip method in soil–steel structures." Canadian Journal of Civil Engineering 16, no. 4 (August 1, 1989): 426–33. http://dx.doi.org/10.1139/l89-072.

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The method of compound finite strip is applied for the three-dimensional analysis of corrugated soil–steel structures with and without curved stiffeners. Displacement functions are suggested for the analysis of soil–steel structures during and after backfilling. The eccentricity between the middle surfaces of stiffened elements and the adjacent shell elements is considered in the displacement functions so that the continuity of the shell is satisfied between the strips. The formulation presented herein incorporates the stiffness contribution of surrounding soil media directly in the strip element stiffness matrix. Examples of soil–steel structures are analyzed by the proposed method and the results are compared with experimental results. Key words: cylindrical shells, finite strip, soil–steel structures, stiffeners.

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Cheung, M. S., Wenchang Li, and L. G. Jaeger. "Spline finite strip analysis of continuous haunched box-girder bridges." Canadian Journal of Civil Engineering 19, no. 4 (August 1, 1992): 724–28. http://dx.doi.org/10.1139/l92-080.

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In this technical note, a spline finite strip for curved bottom flange of box-girder bridges is developed so that the spline finite strip method is extended to the analysis of continuous haunched box-girder bridges. This method is more capable in dealing with concentrated loads and is more flexible in treating discrete support conditions than the semi-analytical finite strip method. Key words: finite strip, box-girder bridges, spline function, structural analysis, composite.

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Ho, D., and L. G. Tham. "Analysis of plates by finite strip method." Computers & Structures 52, no. 6 (September 1994): 1283–91. http://dx.doi.org/10.1016/0045-7949(94)90192-9.

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Cheung, M. S., and Wenchang Li. "Finite strip analysis of continuous structures." Canadian Journal of Civil Engineering 15, no. 3 (June 1, 1988): 424–29. http://dx.doi.org/10.1139/l88-057.

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The eigenfunctions of a continuous beam are found numerically. The folded plate type of finite strip with intermediate supports is formulated by combining such an eigenfunction in the longitudinal direction with an appropriate finite element shape function in the transverse direction. The numerical examples given in this paper, such as the continuous beam and plate, demonstrate the advantages of this method: simplicity, accuracy, and convenience. Key words: finite strip, continuous structure, eigenfunction, folded plate, plate bending.

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Cheung, M. S., Wenchang Li, and L. G. Jaeger. "Improved finite strip method for nonlinear analysis of long-span cable-stayed bridges." Canadian Journal of Civil Engineering 17, no. 1 (February 1, 1990): 87–93. http://dx.doi.org/10.1139/l90-011.

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As the spans of cable-stayed bridges increase, the degree of nonlinearity of structural response increases markedly. For future spans greater than (say) 800 m, existing three-dimensional software then becomes very time consuming and costly, and a finite strip approach becomes more attractive and preferable. An improved finite strip method using two types of longitudinal shape functions is developed in this paper for the analysis of girders of such bridges. The nonlinearities due to sag and angle change of the cables are taken into account by means of catenary theory. The substructuring technique and the modified Newton–Raphson iteration method are used for nonlinear solutions. A number of numerical examples are given to show the accuracy and efficiency of this method. Key words: finite strip, continuous structure, cable-stayed bridge, substructuring, catenary, nonlinearity, iteration.

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Zhu, D. S., and Y. K. Cheung. "Postbuckling analysis of shells by spline finite strip method." Computers & Structures 31, no. 3 (January 1989): 357–64. http://dx.doi.org/10.1016/0045-7949(89)90383-0.

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Cheung, M. S., S. F. Ng, and J. Q. Zhao. "Analysis of curved reinforced concrete slab bridges by the spline finite strip method." Canadian Journal of Civil Engineering 20, no. 5 (October 1, 1993): 855–62. http://dx.doi.org/10.1139/l93-111.

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A layered spline finite strip model for the analysis of reinforced concrete slab bridges is presented in this paper. The natural coordinates ξ–η are adopted to make the method suitable for arbitrary curved slab bridges. A material model based on orthotropic nonlinear elasticity is employed to represent the property of plain concrete. Reinforcement is modeled as an elastoplastic strain-hardening material. The Newton–Raphson method and relaxation techniques are used to solve the nonlinear stiffness equation. Numerical examples are provided to demonstrate the efficiency and accuracy of the model. Key words: spline finite strip method, curved slab bridges, reinforced concrete, nonlinear analysis.

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Cheung, M. S., G. Akhras, and W. C. Li. "Large Thermal Deflection Analysis of Composite Plates Using Finite Strip Method." Advances in Structural Engineering 2, no. 2 (April 1999): 137–47. http://dx.doi.org/10.1177/136943329900200206.

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Ng, S. F., M. S. Cheung, and Zhong Bingzhang. "Finite Strip Method for Analysis of Structures with Material Nonlinearity." Journal of Structural Engineering 117, no. 2 (February 1991): 489–500. http://dx.doi.org/10.1061/(asce)0733-9445(1991)117:2(489).

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Dissertations / Theses on the topic "Structural analysis (Engineering) Finite strip method"

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江傑新 and Jackson Kong. "Analysis of plate-type structures by finite strip, finite prism and finite layer methods." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31233594.

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Kong, Jackson. "Analysis of plate-type structures by finite strip, finite prism and finite layer methods /." [Hong Kong : University of Hong Kong], 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13788048.

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Walker, B. D. "A combined finite strip/finite element method for the analysis of partially prismatic thin-walled structures." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375679.

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李華煜 and Wah-yuk Li. "Spline finite strip analysis of arbitrarily shaped plates and shells." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1988. http://hub.hku.hk/bib/B31231287.

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Li, Wah-yuk. "Spline finite strip analysis of arbitrarily shaped plates and shells /." [Hong Kong : University of Hong Kong], 1988. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12350758.

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Shen, Zhenyuan. "An integrated finite strip solution for long span bridges /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202009%20SHEN.

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Te, Seng-Bee. "Shear wall-frame interaction analysis using finite strip and continuum methods." Thesis, University of Liverpool, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316508.

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李鷹 and Ying Li. "The U-transformation and the Hamiltonian techniques for the finite strip method." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31235037.

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Li, Ying. "The U-transformation and the Hamiltonian techniques for the finite strip method /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18062052.

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Abayakoon, Sarath Bandara Samarasinghe. "Large deflection elastic-plastic analysis of plate structures by the finite strip method." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26946.

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A solution procedure based on the finite strip method is presented herein, for the analysis of plate systems exhibiting geometric and material non-linearities. Special emphasis is given to the particular problem of rectangular plates with stiffeners running in a direction parallel to one side of the plate. The finite strip method is selected for the analysis as the geometry of the problem is well suited for the application of this method and also as the problem is too complicated to solve analytically. Large deflection effects are included in the present study, by taking first, order non-linearities in strain-displacement relations into account. Material non-linearities are handled by following von-Mises yield criterion and associated flow rule. A bi-linear stress-strain relationship is assumed for the plate material, if tested under uniaxial conditions. Numerical integration of virtual work equations is performed by employing Gauss quadrature. The number of integration points required in a given direction is determined either by observing the individual terms to be integrated or by previous experience. The final set of non-linear equations is solved via a Newton-Raphson iterative scheme, starting with the linear solution. Numerical investigations are carried out by applying the finite strip computer programme to analyse uniformly loaded rectangular and I beams with both simply supported and clamped ends. Displacements, stresses and moments along the beam are compared with analytical solutions in linear analyses and with finite element solutions in non-linear analyses. Investigations are also extended to determine the response of laterally loaded square plates with simply supported and clamped boundaries. Finally, a uniformly loaded stiffened panel is analysed and the results are compared with finite element results. It was revealed that a single mode in the strip direction was sufficient to yield engineering accuracy for design purposes, with most problems.
Applied Science, Faculty of
Civil Engineering, Department of
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Books on the topic "Structural analysis (Engineering) Finite strip method"

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G, Tham L., ed. Finite strip method. Boca Raton, Fla: CRC Press, 1997.

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Milasǐnović, Dragan D. The finite strip method in computational mechanics. Subotica, Yugoslavia: Faculty of Civil Engineering, 1997.

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W, Li, and Chidiac S. E, eds. Finite strip analysis of bridges. London: E & FN Spon, 1996.

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4

Finite element structural analysis. Englewood Cliffs, N.J: Prentice-Hall, 1986.

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5

1954-, Katz Casimir, ed. Structural analysis with finite elements. Berlin: Springer-Verlag, 2004.

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Melosh, Robert J. Structural engineering analysis by finite elements. London: Prentice-Hall International, 1990.

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Structural engineering analysis by finite elements. Englewood Cliffs, N.J: Prentice Hall, 1990.

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8

Finite element structural analysis: New concepts. Reston, VA: American Institute of Aeronautics and Astronautics, 2009.

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service), SpringerLink (Online, ed. Structural Analysis with the Finite Element Method: Linear Statics. Dordrecht: Springer Netherlands, 2009.

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1934-, Taylor Robert L., ed. The finite element method. 5th ed. Oxford: Butterworth-Heinemann, 2000.

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Book chapters on the topic "Structural analysis (Engineering) Finite strip method"

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Oñate, Eugenio. "Prismatic Structures. Finite Strip and Finite Prism Methods." In Structural Analysis with the Finite Element Method Linear Statics, 675–728. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-1-4020-8743-1_11.

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Madenci, Erdogan, and Ibrahim Guven. "Nonlinear Structural Analysis." In The Finite Element Method and Applications in Engineering Using ANSYS®, 539–94. Boston, MA: Springer US, 2015. http://dx.doi.org/10.1007/978-1-4899-7550-8_10.

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Madenci, Erdogan, and Ibrahim Guven. "Linear Structural Analysis." In The Finite Element Method and Applications in Engineering Using ANSYS®, 313–454. Boston, MA: Springer US, 2015. http://dx.doi.org/10.1007/978-1-4899-7550-8_8.

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Long, Yu-Qiu, and Si Yuan. "Spline Element II — Analysis of Plate/Shell Structures." In Advanced Finite Element Method in Structural Engineering, 663–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00316-5_19.

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Long, Yu-Qiu, and Zhong Fan. "Spline Element I—Analysis of High-Rise Building Structures." In Advanced Finite Element Method in Structural Engineering, 641–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00316-5_18.

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Cen, Song, and Yu-Qiu Long. "Generalized Conforming Element for the Analysis of Piezoelectric Laminated Composite Plates." In Advanced Finite Element Method in Structural Engineering, 304–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00316-5_10.

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Cen, Song, and Yu-Qiu Long. "Generalized Conforming Element for the Analysis of the Laminated Composite Plates." In Advanced Finite Element Method in Structural Engineering, 268–303. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00316-5_9.

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Lee, J. S. "Reliability Analysis of Structural Systems by Using the Stochastic Finite Element Method." In Lecture Notes in Engineering, 267–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84753-0_19.

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Cho, Haeseong, Jun Young Kwak, Hyunshig Joo, and SangJoon Shin. "Development of Nonlinear Structural Analysis Using Co-rotational Finite Elements with Improved Domain Decomposition Method." In Lecture Notes in Computational Science and Engineering, 31–42. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52389-7_3.

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Lopes, Filipe Loyola, Henrique Alves de Amorim, and Maria Elizete Kunkel. "Structural Analysis with Finite Element Method of a Child Electric Wheelchair Built with PVC and Arduino." In XXVI Brazilian Congress on Biomedical Engineering, 717–21. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2119-1_110.

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Conference papers on the topic "Structural analysis (Engineering) Finite strip method"

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Garstecki, Andrzej, and Witold Kakol. "Structural Sensitivity Analysis in Eigenvalue Problems Using Finite Strip Method." In ASME 1994 Design Technical Conferences collocated with the ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/detc1994-0150.

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Abstract Structural Sensitivity Analysis is performed using the direct differentiation method for buckling and free vibration problems of prismatic thin-walled structures employing the Finite Strip Method. The sensitivity of eigenvalues (critical stresses and free frequencies) with respect to variation of thickness of plate members and with respect to shape-type variations is considered. The differentiation is carried out employing analytical and semi-analytical methods. Numerical examples illustrate the sensitivity of thin-walled plates stiffened with ribs and thin-walled beams. The examples also serve for discussion of numerical efficiency and accuracy of the presented methods.

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Bai, Xinli, Wenliang Ma, and Zeyu Wu. "Local Stability Analysis of Thin-Shell Structrues by Semi-Analytic Finite Strip Method." In Modern Methods and Advances in Structural Engineering and Construction. Singapore: Research Publishing Services, 2011. http://dx.doi.org/10.3850/978-981-08-7920-4_s2-s117-cd.

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Schulz, Karl W., and Trond S. Meling. "Multi-Strip Numerical Analysis for Flexible Riser Response." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51186.

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A multi-strip numerical method, combining solution of the incompressible Reynolds Averaged Navier-Stokes (RANS) equations with a finite-element structural dynamics response, has been developed to analyze the flow-structure interaction of long, flexible risers. This solution methodology combines a number of individual hydrodynamic simulations corresponding to individual axial strips along the riser section with a full 3D structural analysis to predict overall VIV loads and displacements. The hydrodynamic loading for each riser strip is derived from a 2D finite-volume discretization of the governing RANS equations which is applicable to both single and multiple riser configurations. The entire flow-structure solution procedure is carried out in the time domain via a loose coupling strategy, such that the hydrodynamic loads from each riser strip are summed to obtain the overall loading along the span of each riser. This loading is then used to integrate forward a single time-step in the riser equations of motion to obtain an updated riser displacement profile. Closure of the coupled flow-structure method is achieved by updating the riser displacements for each of the corresponding hydrodynamic strips in the next time-step integration. The developed multi-strip method is applied to a single bare riser subjected to both uniform and shear current profiles. The flow conditions and riser configuration were chosen to match the Marintek rotating rig experiments, and comparisons between experimental and numerical results are presented for several flow configurations and axial tensions. In addition, a parametric study is presented using 16, 32, and 64 hydrodynamic strips for a given flow configuration to ascertain the sensitivity of the results to the number of strips chosen.

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Gandhi, Umesh, Stephane Roussel, K. Furusu, and T. Nakagawa. "Application of Finite Strip Method in Vehicle Design: Part 1 of 2—Linear Buckling Analysis of Thin Walled Structures." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63545.

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In automotive body design use of AHSS (advanced high strength steel) has been rapidly increasing in the past few years. AHSS which has higher yield strength offers opportunity to reduce gage and hence weight reduction of the body structure. However, it is also known that for the flat thin walled members, as the stress increases and gage gets thinner, the tendency of local instability such as buckling, increases. In this presentation we will discuss finite strip method to estimate linear buckling load for thin walled sections. The finite strip method is simpler version of finite element method, it can be applied on 2D sections, requires limited computer resources and little training to use. Cross section studies based on finite strip method are compared with traditional section analysis as well as finite element method. The results indicates that, the finite strip method is equivalent to finite element method in predicting local buckling of prismatic structures, which is better estimates of the section load capacity compared current methods in CATIA based on fully plastic stress distributions.

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Zhao, Chengbi, Ming Ma, and Owen Hughes. "Applying Strip Theory Based Linear Seakeeping Loads to 3D Full Ship Finite Element Models." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10124.

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Panel based hydrodynamic analyses are well suited for transferring seakeeping loads to 3D FEM structural models. However, 3D panel based hydrodynamic analyses are computationally expensive. For monohull ships, methods based on strip theory have been successfully used in industry for many years. They are computationally efficient, and they provide good prediction for motions and hull girder loads. However, many strip theory methods provide only hull girder sectional forces and moments, such as vertical bending moment and vertical shear force, which are difficult to apply to 3D finite element structural models. For the few codes which do output panel pressure, transferring the pressure map from a hydrodynamic model to the corresponding 3D finite element model often results in an unbalanced structural model because of the pressure interpolation discrepancy. To obtain equilibrium of an imbalanced structural model, a common practice is to use the “inertia relief” approach to rebalance the model. However, this type of balancing causes a change in the hull girder load distribution, which in turn could cause inaccuracies in an extreme load analysis (ELA) and a spectral fatigue analysis (SFA). This paper presents a method of applying strip theory based linear seakeeping pressure loads to balance 3D finite element models without using inertia relief. The velocity potential of strip sections is first calculated based on hydrodynamic strip theories. The velocity potential of a finite element panel is obtained from the interpolation of the velocity potential of the strip sections. The potential derivative along x-direction is computed using the approach proposed by Salvesen, Tuck and Faltinsen. The hydrodynamic forces and moments are computed using direct panel pressure integration from the finite element structural panel. For forces and moments which cannot be directly converted from pressure, such as hydrostatic restoring force and diffraction force, element nodal forces are generated using Quadratic Programing. The equations of motions are then formulated based on the finite element wetted panels. The method results in a perfectly balanced structural model.

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Gandhi, Umesh, Stephane Roussel, K. Furusu, and T. Nakagawa. "Application of Finite Strip Method in Vehicle Design: Part 2 of 2—Post Buckling Analysis of Thin Walled Structures." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63553.

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Thin walled parts of high strength steel, under compressive loads are likely to buckle locally, and then depending on geometry and material properties the section may continue to carry additional load. For the post buckling conditions the deformations are large but finite. Therefore we need to consider geometrical non linearity in the calculations. In this paper we are extending the linear finite strip element formulation to include geometrical non linearity. Method to derive secant and tangent stiffness matrix for non linear finite strip element is developed and then the element formulation is verified for inplane and center load on a plate using Newton Raphson solver. The new non linear finite strip element can be useful in estimating maximum load capacity (including post buckling) of thin walled structures from 2D data.

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Quigley, Claudia J., Paul V. Cavallaro, Arthur R. Johnson, and Ali M. Sadegh. "Advances in Fabric and Structural Analyses of Pressure Inflated Structures." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-55060.

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Novel methods for analyzing the response of air inflated fabric structures are presented. The first method determines the global structural response of air inflated beam and arch structures. It employs a previously developed specialized finite element. The element was derived by minimizing the strain energy potential for a cylindrical membrane deforming about its pressurized state. Through the use of displacement approximations defining the motion of the beam’s cross section, analogous to classical beam theory, the energy principle is reduced to one dimension. However, the effect of the pressure is included in the formulation. Numerical results compare favorably to experimental data for air beams constructed from Vectran®. The second method is based on the micromechanics of plain-woven fabrics. It employs nonlinear kinematics to predict the load-displacement response of a biaxially loaded fabric. Based on the fabric strip model, this method includes the effects of crimp in nonlinear kinematic material behavior and estimates values of effective material properties in tension and shear.

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Schulz, Karl W., and Trond S. Meling. "VIV Analysis of a Riser Subjected to Step and Multi-Directional Currents." In ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2005. http://dx.doi.org/10.1115/omae2005-67144.

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A multi-strip numerical method combining solution of the incompressible Reynolds Averaged Navier-Stokes (RANS) equations with a finite-element structural dynamics response has been developed previously to analyze the flow-structure interaction of a flexible riser subjected to fixed and non-uniform, two-dimensional shear currents. In this paper, we expand on the previous work using the tool to numerically compute the VIV loads and motions of a vertically tensioned riser in a stepped current. The flow conditions for this stepped current configuration were chosen to match a set of laboratory experiments carried out in the Delta Flume at Delft Hydraulics. In addition to the stepped current, the multi-strip method was extended to accommodate a three-dimensional skew current exposed to a vertically tensioned riser. Note that in this case, the skew current is non-uniform in both direction and magnitude, and the flow conditions and riser configuration were chosen to match a set of rotating-rig experiments made by Marintek. For both configurations (stepped and skewed currents), comparisons of in-line and transverse VIV displacements are presented between numerical and experimental results.

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Rajendran, Suresh, Nuno Fonseca, and C. Guedes Soares. "Calculation of Vertical Bending Moment Acting on an Ultra Large Containership in Large Amplitude Waves." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-42405.

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The time domain method is further extended here in order to calculate the hydroelastic response of an ultra large containership in regular waves. Based on strip theory, the hydrodynamic and the hydrostatic forces are calculated for the instantaneous wetted surface area. Slamming forces are calculated using a Von Karman approach in which the water pile up during slamming is neglected. Timoshenko beam which takes into account the shear deformation and rotary inertia is used to model the structural dynamic characteristics of the hull. The beam is discretized using the finite element method and the ship vibration is solved using the modal analysis. The method is used to calculate the vertical bending moment acting on an ultra large containership in large amplitude regular waves. The results are compared with the experimental results measured in wave tank.

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Guha, Amitava, and Jeffrey Falzarano. "Development of a Computer Program for Three Dimensional Analysis of Zero Speed First Order Wave Body Interaction in Frequency Domain." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-11601.

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Evaluation of motion characteristics of ships and offshore structures at the early stage of design as well as during operation at the site is very important. Strip theory based programs and 3D panel method based programs are the most popular tools used in industry for vessel motion analysis. These programs use different variations of the Green’s function or Rankine sources to formulate the boundary element problem which solves the water wave radiation and diffraction problem in the frequency domain or the time domain. This study presents the development of a 3D frequency domain Green’s function method in infinite water depth for predicting hydrodynamic coefficients, wave induced forces and motions. The complete theory and its numerical implementation are discussed in detail. An in house application has been developed to verify the numerical implementation and facilitate further development of the program towards higher order methods, inclusion of forward speed effects, finite depth Green function, hydro elasticity, etc. The results were successfully compared and validated with analytical results where available and the industry standard computer program for simple structures such as floating hemisphere, cylinder and box barge as well as complex structures such as ship, spar and a tension leg platform.

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