Relevant bibliographies by topics / Lame's first parameter

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  3. Conference papers

Academic literature on the topic 'Lame's first parameter'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Lame's first parameter"

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Atat, JG, AA Essiett, SS Ekpo, and S. Umar. "Modelling of bulk modulus from sand [API <75]-shale [API >75] lithology for XA field in the Niger Delta Basin." World Journal of Advanced Research and Reviews 18, no. 3 (2023): 635–44. https://doi.org/10.5281/zenodo.8433954.

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Modelling of bulk modulus from sand-shale lithology has been researched. This is to come up with a model than relates the bulk modulus with the Lame&rsquo;s first parameter. Data adequate for this finding were obtained from three Niger Delta oil wells A, B and C. Microsoft Excel was used for all stages of analysis. The result indicates the average values of Poisson&rsquo;s ratio and V<sub>p</sub>/V<sub>s</sub>&nbsp;ratio as 0.5 and 1.637 respectively for all wells. Other results include the depth range of about 5300ft to 6600ft; shear modulus varies from 4.05 x 10<sup>9</sup>&nbsp;to 11 x 10<s
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Atat JG, Essiett AA, Ekpo SS, and Umar S. "Modelling of bulk modulus from sand [API <75]-shale [API >75] lithology for XA field in the Niger Delta Basin." World Journal of Advanced Research and Reviews 18, no. 3 (2023): 635–44. http://dx.doi.org/10.30574/wjarr.2023.18.3.1018.

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Modelling of bulk modulus from sand-shale lithology has been researched. This is to come up with a model than relates the bulk modulus with the Lame’s first parameter. Data adequate for this finding were obtained from three Niger Delta oil wells A, B and C. Microsoft Excel was used for all stages of analysis. The result indicates the average values of Poisson’s ratio and Vp/Vs ratio as 0.5 and 1.637 respectively for all wells. Other results include the depth range of about 5300ft to 6600ft; shear modulus varies from 4.05 x 109 to 11 x 109N/m2; the range of result of young modulus varies from 1
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Shakil, M., Shahzad Ahmed, I. Zeba, M. I. Khan, and S. S. A. Gillani. "First principles computation of structural, electronic, magnetic and mechanical properties of new lithium based half Heusler alloys." International Journal of Modern Physics B 35, no. 05 (2021): 2150074. http://dx.doi.org/10.1142/s0217979221500740.

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First principles calculations have been accomplished for structural, electronic, magnetic and mechanical properties of half Heusler (HH) LiYZ ([Formula: see text], Rh and [Formula: see text], Se, Te, Sb) alloys using the density functional theory (DFT) within full potential-linearized augmented plane wave (FP-LAPW) method. To calculate the physical properties, Perdew–Burke–Ernzerhof (PBE) potential and generalized gradient approximation (GGA) are employed. The calculations are accomplished for three phases to obtain the most stable phase. The results of these calculations revealed that Type-II
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Nishawala, V. V., M. Ostoja-Starzewski, M. J. Leamy, and E. Porcu. "Lamb's problem on random mass density fields with fractal and Hurst effects." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2196 (2016): 20160638. http://dx.doi.org/10.1098/rspa.2016.0638.

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This paper reports on a generalization of Lamb's problem to a linear elastic, infinite half-space with random fields (RFs) of mass density, subject to a normal line load. Both, uncorrelated and correlated (with fractal and Hurst characteristics) RFs without any weak noise restrictions, are proposed. Cellular automata (CA) is used to simulate the wave propagation. CA is a local computational method which, for rectangular discretization of spatial domain, is equivalent to applying the finite difference method to the governing equations of classical elasticity. We first evaluate the response of C
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Yadav, Pooja, Dheerendra Singh Yadav, Dharmvir Singh, Pravesh Singh, and Ajay Singh Verma. "Elastic Properties of C-Type Lanthanide Sesquioxides." East European Journal of Physics, no. 4 (December 8, 2024): 227–33. https://doi.org/10.26565/2312-4334-2024-4-22.

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In this study, we have presented the solid-state theory of plasma oscillations to investigate the anisotropic elastic properties such as three independent static elastic stiffness constants (Cij: C11, C12 &amp; C44) of C-type Ln2O3 lanthanide solids. The calculated values of the static elastic stiffness constants of Ln2O3 are in excellent agreement with the theoretical results obtained by using ab-initio techniques. The values of elastic stiffness constants (Cij) exhibit a linear relationship when plotted against their plasma energies and lie on a straight line. To further examine the validity
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Kazanchev, S. Ch, A. M. Unazhokov, O. O. Getokov, R. Z. Abdulkhalikov, and M. G. Tleinsheva. "Influence of genetic and paratypical factors on lamb’s resistance." E3S Web of Conferences 254 (2021): 08022. http://dx.doi.org/10.1051/e3sconf/202125408022.

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The article studies the influence of the frequency and time of consumption of colostrum on the immunobiological reactivity of lambs obtained from mothers of the same age, selected according to the principle of analogues. It has been established that first lambers (9–16 months) with intensive rearing and abundant feeding have an average level of resistance of the organism and its indicators are characterized by stability. The offspring obtained from these first lambers (experimental group) in terms of the level of immune parameters are not inferior to their peers obtained from the ewes of the c
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Özer, Hayati Ünsal, and Ahmet Duran. "A new algorithm using L-BFGS for two-parameter eigenvalue problems from Lamé's system and simulation." Mathematical Modelling and Numerical Simulation with Applications 4, no. 4 (2024): 448–68. https://doi.org/10.53391/mmnsa.1523702.

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We deal with the challenges and solutions for two-parameter eigenvalue problems (TPEPs) involving large-scale various dense coefficient matrices using several numerical methods. We propose a new method, via fused parameter optimization ($fusedparopt$) algorithm using limited-memory Broyden-Fletcher-Goldfarb-Shanno (L-BFGS) having several variations, for TPEPs. We combine the advantages of the tensor Rayleigh quotient (RQ), Newton (N) and L-BFGS methods, while avoiding the disadvantages of each method. They are designed for certain TPEPs having real eigenvalue tuples. We test the performance of
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Varshney, Dinesh, Swarna Shriya, Raju Sapkale, Meenu Varshney, and M. Ameri. "Pressure induced stiffening, thermal softening of bulk modulus and brittle nature of mercury chalcogenides." International Journal of Computational Materials Science and Engineering 04, no. 03 (2015): 1550015. http://dx.doi.org/10.1142/s2047684115500153.

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The pressure and temperature dependent elastic properties of mercury chalcogenides ( Hg X; X = S , Se and Te ) with pressure induced structural transition from ZnS -type (B3) to NaCl -type (B1) structure have been analyzed within the framework of a model interionic interaction potential with long-range Coulomb and charge transfer interactions, short-range overlap repulsion and van der Waals (vdW) interactions as well as zero point energy effects. Emphasis is on the evaluation of the Bulk modulus with pressure and temperature dependency to yield the Poisson's ratio ν, the Pugh ratio ϕ, anisotro
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Al-Khalidy, Amer, Wael Mrzah, Hussein Chlaib, and Amer Al-Khafaji. "Geophysical Soil Elastic Properties Evaluation Using Down-hole Technique for Hilla Gas Power Electrical Plant in Babylon, Center of Iraq." Iraqi Geological Journal 58, no. 1A (2025): 190–201. https://doi.org/10.46717/igj.58.1a.13ms-2025-1-23.

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The seismic down-hole method was utilized in this study to investigate the soil geotechnical engineering properties at a Gas Electricity Plant Site in Hilla, Babylon District, middle of Iraq. The engineering properties of the underlying strata and a seismic wave velocity were calculated. Seismic data from four boreholes was utilized to determine longitudinal and Shear wave velocities at various depths in situ. Field data was recorded using the ABEM Pro Terralloc system equipment. All of the collected data in this study were interpreted, and the seismic wave velocities were calculated for all b
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Wojciechowska, Renata, Anna Kołton, Olga Długosz-Grochowska, Marek Żupnik, and Wojciech Grzesiak. "The effect of LED lighting on photosynthetic parameters and weight of lamb’s lettuce (Valerianella locusta)." Folia Horticulturae 25, no. 1 (2013): 41–47. http://dx.doi.org/10.2478/fhort-2013-0005.

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ABSTRACT The experiment was carried out in the winter and autumn of 2011 using lamb’s lettuce (Valerianella locusta Laterr. Em Betce) as a test plant under greenhouse growing conditions. The aim of the study was to evaluate the effect of a prolonged day with modern SSL LED (Solid State Lighting Light Emitting Diodes) technology on photosynthetic parameters and plant yield. Two kinds of LED lamps with different spectral properties were used. The first emitted a white light and the second a mixture of red and blue light. Measurements of chlorophyll fluorescence and gas exchange were taken in nat
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Book chapters on the topic "Lame's first parameter"

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Richter J.L., Dalhammar C., and Tähkämö L. "Considering optimal lifetimes for LED lamps: a mixed approach and policy implications." In Research in Design Series. IOS Press, 2017. https://doi.org/10.3233/978-1-61499-820-4-353.

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Ecodesign policy for energy-using products so far has tended to focus on the energy efficiency requirements, but there is increasing interest in durability requirements as well. This exploratory study analyses whether and when long lifetimes are preferable when considering the trade-offs between durability and other important parameters such as costs and environmental impacts, examining the case of LED lamps. This is an interesting product group to examine because of the improving lumen efficiency of the technology as well as the increasing emphasis on lifetimes by both producers and policymak
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Conference papers on the topic "Lame's first parameter"

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Mukherjee, Aniruddha, and Amit Soni. "Parameters affecting the switching life in HPF self ballasted lamps." In 2016 IEEE First International Conference on Control, Measurement and Instrumentation (CMI). IEEE, 2016. http://dx.doi.org/10.1109/cmi.2016.7413719.

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Lammens, Stefan, Marc Brughmans, Jan Leuridan, Ward Heylen, and Paul Sas. "Application of a FRF Based Model Updating Technique for the Validation of Finite Element Models of Components of the Automotive Industry." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0695.

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Abstract This paper presents two applications of the RADSER model updating technique (Lammens et al. (1995) and Larsson (1992)). The RADSER technique updates finite element model parameters by solution of a linearised set of equations that optimise the Reduced Analytical Dynamic Stiffness matrix based on Experimental Receptances. The first application deals with the identification of the dynamic characteristics of rubber mounts. The second application validates a coarse finite element model of a subframe of a Volvo 480.
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Tünnermann, A. "High Power Diode-Pumped Solid-State Lasers." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/cleo_europe.1996.cma1.

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Solid-state lasers operating at high continuous wave output power are attractive sources for various applications in materials processing and nonlinear frequency conversion. Since the development of reliable high power diode arrays, numerous publications have reported on the superiority of these pump sources compared to the conventional excitation with flash lamps [1-5]. While first generations of solid-state lasers were directly pumped with diode lasers, the application of fiber-coupled diodes has been prooven to result in significant improvements of system parameters, such as reliability and
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Malhotra, Chetan P., Roop L. Mahajan, W. S. Sampath, Kurt L. Barth, and Robert A. Enzenroth. "Control of Temperature Uniformity During the Manufacture of Stable Thin-Film Photovoltaic Devices." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61331.

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The production of stable thin-film photovoltaic devices requires tight control of temperature uniformity of the glass substrates during the vacuum deposition process. As a first step towards developing an optimized control system for maintaining thermal uniformity as the substrates traverse multiple stations during the deposition process, a finite element thermal model of a single deposition station has been developed. The model couples cavity radiation processes with conduction within the graphite sources and the substrate itself. The effect of adjustable parameters such as radiation shieldin
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Guo, Guodong, and Shah Alam. "Characterizing High-Speed Impact Behavior of UHMWPE Through Molecular Dynamics Simulation." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-112860.

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Abstract In this paper, a study on the ballistic impact behavior of the ultra-high-molecular-weight-polyethylene (UHWMPE) microstructure through molecular dynamics simulations is presented. Unlike most of the existing works, of which the focus has been on the ballistic impact resistance of amorphous polyethylene, our research studied mechanical properties of both crystal and amorphous structure of the fibril which together constitute the shish-kebab structure of the UHMWPE macro-fibril. In the numerical model, a spherical diamond block that represents a rigid projectile is used to impact a pol
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Čukić, Aleksandar, Božidar Milošević, Željko Savić, and Ljiljana Anđušić. "Variability of morphological and growth characteristics of the Wurttemberg sheep breed." In Zbornik radova 26. medunarodni kongres Mediteranske federacije za zdravlje i produkciju preživara - FeMeSPRum. Poljoprivredni fakultet Novi Sad, 2024. http://dx.doi.org/10.5937/femesprumns24008c.

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The aim of this study was to determine and present the basic characteristics of Wurttemberg sheep, which includes analyzes of the characteristics of body measurements of sheep, with detailed statistical analysis, in order to define the degree of variability of characteristics, as well as to investigate environmental influences (sex, year birth, season and type of birth) on the examined traits using general linear method and estimating genetic parameters for lamb growth traits, using BreedR software package in R statistical programming environment. The research was conducted on a sample of 964
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Luo, Yun Mei, Luc Chevalier, and Françoise Utheza. "Modelling the Heat During the Injection Stretch Blowing Moulding: Infrared Heating and Blowing Modelling." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82725.

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Effects of temperature: initial heating conditions or self heating during the process, are very important during the injection stretch blow moulding (ISBM) process of PET bottles. The mechanical characteristics of the final products, which are mainly controlled by the final thickness and the orientation of the molecular chains, depend strongly on the process temperature. Modelling the heat transfer during the ISBM process is therefore necessary. In the first part of this paper, an experimental study is presented in order to measure the initial temperature distribution and to identify the therm
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LUO, Yun-Mei. "Optimization of the temperature profile of PET preform via a 3D modelling of the Infrared Heating and ventilation." In Material Forming. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903131-284.

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Abstract. Thermal effect has important influence during the stretch blow moulding (SBM) process of PET bottle. Setting the heating condition in an industrial context is a complex task. A 3D simplified modelling of the heating stage during this process is proposed. In this numerical approach, the radiation source is simulated by using a model for intensity of the incident radiation and the Beer Lambert’s law. On the other hand, the ventilation effect under industrial condition is taken into account by a modelling of the forced convection around a cylinder. The IR flux and ventilation effects ar
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Sun, Shijie, Akash Singh, and Yumeng Li. "Machine Learning Accelerated Atomistic Simulations for 2D Materials With Defects." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-113427.

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Abstract 2D materials generally show very different physical and chemical properties from 3D materials, which provide them promising applications in cutting-edge technology areas like aerospace, energy storage and electronics. To better understand and illustrate their unique properties, current research heavily relies on atomistic simulations, while successful simulations require the high reliability of interatomic interaction potentials that empirical potentials cannot provide. The ab initio calculations, for example density functional theory (DFT), are able to conduct high-fidelity simulatio
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