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A coupled BEM-stiffness matrix approach for analysis of shear deformable plates on elastic half space

Engineering Analysis with Boundary Elements, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mostafa Shaaban, Ahmed   +1 more
openaire   +1 more source

Comparative study of load distribution ratio of various piled raft foundations based on coupled stiffness matrix

The Structural Design of Tall and Special Buildings, 2019
SummaryLoad distribution ratio of piled raft foundation was investigated based on an interactive foundation analytical method that considers the coupling effect between the stiffness of the superstructure, the piled raft, and the soil. Series of numerical analysis was performed to verify the proposed analytical routine in comparison with various ...
Dohyun Kim, Sangseom Jeong
openaire   +1 more source

Coupled flexural–torsional dynamic stiffness matrix of an elastically supported axially loaded beam with shear resistant in‐fill

The Structural Design of Tall and Special Buildings, 2014
SummaryThe dynamic stiffness matrix of an axially loaded elastically supported uniform beam with doubly asymmetric cross‐section that exhibits coupling between flexural and torsional motions is developed and subsequently used to investigate its free vibration characteristics.
E. Ghandi   +3 more
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A FORTRAN routine for computation of coupled bending-torsional dynamic stiffness matrix of beam elements

Advances in Engineering Software, 1991
Abstract A FORTRAN subroutine for computing coupled bending-torsional dynamic stiffness matrix of a uniform beam element is developed. An annotated listing of the program is presented. The application of the subroutine is discussed with particular reference to an established algorithm.
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Influence of temperature on bend, twist and twist-bend coupling of dsDNA.

Physical Chemistry, Chemical Physics - PCCP
The temperature-dependent bend and twist elasticities of dsDNA, as well as their couplings, were explored through all-atom molecular dynamics simulations.
Zihao Zhang   +4 more
semanticscholar   +1 more source

Tunable Stiffness of Matrix-Derived Membranes Enables Independent and Coupled Analysis of Pressure and Strain Effects in Barrier Tissue-On-Chip Models

ACS Applied Materials & Interfaces
Organ-on-a-chip (OOC) devices modeling thin barrier tissues often incorporate features of the mechanical microenvironment which play regulatory roles in maintaining tissue function. In contexts where tissues are exposed to complex combinations of forces including stretch, hydrostatic pressure, and shear stress, different forces can interact ...
Jeremy D. Newton   +7 more
openaire   +2 more sources

Paper 1_Unification of Variational and Sensitivity Criteria for Stiffness Extrema: A Coupling Matrix Approach

This paper establishes a formal mathematical bridge between two previously independent frameworks for identifying stiffness extrema in proportionally loaded structures: Mang’s variational criterion (2025) and engineering sensitivity analysis. Using a novel "Coupling Matrix" approach (C = I + dKg/dKe), we prove the analytical equivalence between the ...
openaire   +2 more sources

Unification of Variational and Sensitivity Criteria for Stiffness Extrema: A Coupling Matrix Approach

Stiffness extrema in proportionally loaded structures can be characterized through two seemingly disparate mathematical frameworks: Mang's variational criterion, formulated through the functional Ψ = (1/2!)δ²Π + (1/3!)δ³Π and its associated stationarity conditions (equivalently, the inflection condition d²χ₁/dλ² = 0 on a special eigenvalue function in ...
openaire   +1 more source

Analysis of Coupling Effect in Human-Commanded Stiffness During Bilateral Tele-Impedance

IEEE Transactions on Robotics, 2021
David A Abbink, Luka Peternel
exaly  

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