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

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

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’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 V<sub>p</sub>/V<sub>s</sub> 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> to 11 x 10<s

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2

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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3

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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4

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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5

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 & 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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6

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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7

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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8

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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9

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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10

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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11

BOYD, JOHN P., and CHENG ZHOU. "Kelvin waves in the nonlinear shallow water equations on the sphere: nonlinear travelling waves and the corner wave bifurcation." Journal of Fluid Mechanics 617 (December 25, 2008): 187–205. http://dx.doi.org/10.1017/s0022112008003959.

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The Kelvin wave is the lowest eigenmode of Laplace's tidal equation and is widely observed in both the ocean and the atmosphere. In this work, we neglect mean currents and instead include the full effects of the Earth's sphericity and the wave dispersion it induces. Through a mix of perturbation theory and numerical computations using a Fourier/Newton iteration/continuation method, we show that for sufficiently small amplitude, there are Kelvin travelling waves (cnoidal waves). As the amplitude increases, the branch of travelling waves terminates in a so-called corner wave with a discontinuous

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12

Alain, DZABANA HONGUELET* Charlemagne Guy Franklin MOUSSOKI YENGO Georges Désiré BIDILOU Timothée NSONGO. "MOLECULAR DYNAMICS, CRACK PROPAGATION ON THE 10*10*10 STRUCTURE OF TYPE B2 TIAL, PARIS LAW." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 12, no. 7 (2023): 10–26. https://doi.org/10.5281/zenodo.8116175.

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In this work, we observed the crack propagation on a 10*10*10 TiAl structure of type B2 with a mesh parameter of 2.824 A; molecular dynamics simulation incorporated in the LAMMPS calculation code with the use of the MEAM potential. To do this, we applied a uniaxial voltage with a maximum value of 30KN along the oz axis for 60s. After several balancing steps, we empirically followed the crack propagation mode according to the Paris law. The TiAl MEAM potential used in this work allowed us to calculate the cohesive energies of different TiAl structures. It was shown that the Type B2 structure is

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13

Chalh, A., D. Mansouri, M. B. Hamouda, and M. El Gazzah. "Assessment of mating management effect on genealogical parameters highlighting the genetic variability in a not closed fat-tailed Barbarine sheep pedigree." Archives Animal Breeding 55, no. 6 (2012): 612–25. http://dx.doi.org/10.5194/aab-55-612-2012.

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Abstract. The Barbarine sheep is generally managed within small interconnected herds. The goal of the present work is to investigate the effect of the mating management on genetic variability in a registered flock which starts showing a productivity falling, especially in lamb’s survival and this despite a practice of outbreeding. Pedigree data of 11136 animals born between 1977 and 2007 were used to compute genealogical parameters. A first investigation of the lambs-parents relationships highlighted two periods that we denoted: P1 and P2. During P1, the mating strategy had been progressively

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14

Francis, S. M., B. A. Veenvliet, S. K. Stuart, R. P. Littlejohn, and J. M. Suttie. "The effect of photoperiod on plasma hormone concentrations in wether lambs with genetic differences in body composition." Animal Science 65, no. 3 (1997): 441–50. http://dx.doi.org/10.1017/s1357729800008638.

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AbstractThe aim of this study was to determine whether the decrease in plasma growth hormone (GH) levels during a lamb's first autumn is a function of photoperiodic or developmental changes. Wether lambs (no. = 30) from Coopworth sheep selected for low (lean) or high (fat) backfat plus a randomly selected line (control) were subjected to long (16 h light: 8 h dark) or short (8 h light: 16 h dark) photoperiod over a 5-month period after the summer solstice. The animals were regularly blood sampled to determine plasma hormone concentrations. Daily food intake and weekly live weights were measure

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15

Kenia, NallelyRomero-Andablo, Carrillo-Castañeda Guillermo, Khalil Gardezi Abdul, et al. "Criteria for the Selection of Vegetable Growth-Promoting Bacteria to be applied on Roselle Crop (Hibiscus Sabdariffa L.) and Bioremediation." International Journal of Environmental & Agriculture Research 6, no. 12 (2020): 41–49. https://doi.org/10.5281/zenodo.4405070.

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<strong>Abstract</strong><strong>—</strong>In order to define which are the most important criteria for the selection of plant Growth-Promoting bacterial strains of the Hibiscus sabdariffa L. crop (Roselle), bacterial strains isolated from the roots of Roselle plants of two varieties (Creole and Spider) were used, collected in the community of Río de los Peces, municipality of Candelaria Loxicha, Oaxaca and seeds of the same varieties. To characterize the varieties, the following were determined: total germination percentage (TGP), germination speed (GS), the root length(RL), the

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16

Ali El-Tanany, Reham Roshdy, Abderrahim Belkasim Ali Chiab, Hesham Mohamed Abd EL-Gawad El-Banna, Ali Mohamed Ali Mostafa, and Adel Eid Mohamed Mahmoud. "Impact of Replacing Soybean Meal with Sunflower Meal, Sesame Meal, and Black Seed Meal in diets of Barki Lambs." World's Veterinary Journal 11, no. 4 (2021): 670–77. http://dx.doi.org/10.54203/scil.2021.wvj84.

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Crude protein content in animal diet is considered the first important factor for nutritionists when they start to formulate a diet for different types of animals. Therefore, this experiment was conducted to investigate the effect of substituting soybean seed meal by different protein sources on lamb’s diet in terms of nutrients digestibility, and growth performance. Therefore, four tested concentrate feed mixtures (CFM, 14% crude protein) were designed. The CFM1 contained soybean meal as the only source of protein, and 50% of soybean meal protein was replaced by either sunflower meal, sesame

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17

Kamali, Houman, Gaoming Ge, Robert W. Besant, and Carey J. Simonson. "Extension of the Concepts of Heat Capacity Rate Ratio and Effectiveness-Number of Transfer Units Model to the Coupled Heat and Moisture Exchange in Liquid-to-Air Membrane Energy Exchangers." Journal of Heat Transfer 138, no. 9 (2016). http://dx.doi.org/10.1115/1.4033418.

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The underlying concept of the standard effectiveness-number of transfer units (NTU) model is that the effectiveness of an exchanger can be correlated to two dimensionless parameters, namely, heat capacity ratio (Cr) and NTU. However, a limitation of this model is that it cannot account for the changes in effectiveness due to changes in operating temperature and humidity of simultaneous heat and moisture exchangers, specifically liquid-to-air membrane energy exchangers (LAMEEs). The purpose of this paper is to explain the reason for this limitation and also to explore the extension of the afore

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18

Mukhopadhyay, Manoj, Basab Mukhopadhyay, Saad Mogren, and Elkhedr Ibrahim. "High velocity lower crust with anomalous rheological parameters under the Red Sea Passive Margin, SW Saudi Arabia – Insight into the evolution of the Hijaz-Asir Escarpment Zone." Geophysical Journal International, November 16, 2023. http://dx.doi.org/10.1093/gji/ggad451.

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Summary The Red Sea Passive Margin (RSPM) in SW Saudi Arabia is characterized by two morphological provinces; the Red Sea Coastal Plains (RSCP) and the Hijaz-Asir Escarpment Zone (HAEZ) at the Arabian Shield Edge (ASE). Of these, the HAEZ is conspicuous by its seaward-facing heights of &gt; 3 km. Based on the available Receiver Function analysis (REF) results from 25 seismic stations, we first present the Moho relief map underlying the RSPM to demonstrate that: (i) the transitional crust under the coastal region is 20-25 km thick which steadily increases landward to attain a thickness of ∼

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19

Sunmonu, R. S., O. Y. Fadimu, and O. I. Sonde. "Ab-initio probe into the elastic, mechanical and thermo-mechanical properties of CsSe binary compound." International Journal of Modern Physics B, January 31, 2023. http://dx.doi.org/10.1142/s0217979223502211.

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First principles computational simulations were performed using Quantum ESPRESSO package within the framework of Density Functional Theory (DFT) in order to analyze the structural, elastic and thermo-mechanical conditions of one of the Caesium monochalcogenides (CsSe) in a bid to fill some of the theoretical information gaps in this material. The obtained optimized lattice parameter of 7.432[Formula: see text]Å from well convergence tests agreed reasonably with results from other previous theoretical works. Three independent elastic constants ([Formula: see text], [Formula: see text] and [Form

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20

Ibrahim, Firas Khaleel, Salim Thanon Younis, and Amaar Amer Awaad. "The Effect of Ewe's Age and The First Birth On Sex Lamb , Type of Birth , Litter Size And the Lamb's Weight at Birth and some Genetic Parameters." NTU Journal of Agriculture and Veterinary Science 4, no. 4 (2024). https://doi.org/10.56286/y3e4fv72.

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21

Jodko, Daniel M., Damian S. Obidowski, Piotr Reorowicz, and Krzysztof Jóźwik. "A two-stage model of an arteriovenous fistula maturation process." Acta of Bioengineering and Biomechanics 22, no. 2 (2020). http://dx.doi.org/10.37190/abb-01571-2020-02.

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Purpose: An arteriovenous fistula has been a widely accepted vascular access for hemodialysis, however, a fistula maturation proces is still not fully understood. In the short period of time, right after vein and artery shunting, the physical and biological changes take place mainly in the venous wall. A two-stage modeling method of arteriovenous fistula maturation process was proposed and presented. Methods: The first stage of the maturation was modeled with two-way coupled fluid structure interaction computer simulations. Whereas for the second, biological stage, a model was based on the cha

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22

sprotocols. "Multi-parameter assessment of thrombus formation on microspotted arrays of thrombogenic surfaces." December 31, 2014. https://doi.org/10.5281/zenodo.13650.

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Authors: Susanne de Witt, Frauke Swieringa, Judith Cosemans & Johan Heemskerk ### Abstract Thrombus formation by adhering and aggregating blood platelets is fundamental to hemostasis and is a prerequisite for vascular occlusion in pathological thrombosis. The parallel-plate flow chamber technique has been extensively used to measure platelet adhesion and activation in vitro at arterial or venous flow conditions. Here, we describe the use of brightfield and confocal fluorescence microscopy to record the various platelet activation processes contributing to thrombus formation on microspotted

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