Results 61 to 70 of about 3,671 (216)
In this paper, a gradient stable node-based smoothed discrete shear gap method (GS-DSG) using 3-node triangular elements is presented for Reissner–Mindlin plates in elastic-static, free vibration, and buckling analyses fields.
Yadong Xu, Guangsong Chen, Jinsong Tang
doaj +1 more source
Abstract The current codes and standards for the design of anchorages against concrete cone breakout failure require the base plate to be rigid such that each anchor is subjected to almost equal load under concentric tension, and there is a linear distribution of anchor forces for groups under eccentric tension or bending.
Akanshu Sharma, Rolf Eligehausen
wiley +1 more source
Polyharmonic Multiquadric Particular Solutions for Reissner/Mindlin Plate [PDF]
Analytical particular solutions of the polyharmonic multiquadrics are derived for both the Reissner and Mindlin thick-plate models in a unified formulation. In the derivation, the three coupled second-order partial differential equations are converted into a product operator of biharmonic and Helmholtz operators using the Hörmander operator ...
openaire +1 more source
Formulation of an isogeometric shell element for crash simulation [PDF]
In this paper, we propose, for the isogeometric analysis, a shell model based on a degenerated three dimensional approach. It uses a first order kinematic description in the thickness with transverse shear (Reissner-Mindlin theory).
Adam, Cédric +3 more
core
Nonintrusive coupling of 3D and 2D laminated composite models based on finite element 3D recovery
In order to simulate the mechanical behavior of large structures assembled from thin composite panels, we propose a coupling technique which substitutes local 3D models for the global plate model in the critical zones where plate modeling is inadequate ...
Allix, Olivier +3 more
core +2 more sources
The academic community has paid much attention to the research topic of structural health monitoring (SHM) and damage identification for several decades, which flourishes the development of diverse damage identification approaches. The sensitivity‐based damage identification enjoys popularity due to its clear physical meaning and long development ...
Huihui Chen, Xiaojing Yuan, Duc-Duy Ho
wiley +1 more source
Shape differentiability of the eigenvalues of elliptic systems
We consider second order elliptic systems of partial differential equations subject to Dirichlet and Neumann boundary conditions. We prove analyticity of the elementary symmetric functions of the eigenvalues, and compute Hadamard-type formulas for such ...
Buoso, Davide
core +1 more source
On stress resultant plasticity and viscoplasticity for metal plates [PDF]
In this work we derive elastoplastic and elastoviscoplastic finite element formulations for stress resultant bending analysis of thin metal plates. The principle of maximum plastic dissipation is used to obtain the ingredients of the small strain stress ...
Brank, Boštjan, Dujc, Jaka
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Abstract A novel formulation of curved Timoshenko beams which are defined by all level sets of a scalar function in a two‐dimensional bulk domain is presented, including a corresponding finite element method for the simultaneous solution of these beams. The required geometrical setup and differential operators are introduced and the model is defined in
Michael Wolfgang Kaiser +1 more
wiley +1 more source
A DPG method for Reissner-Mindlin plates
We present a discontinuous Petrov-Galerkin (DPG) method with optimal test functions for the Reissner-Mindlin plate bending model. Our method is based on a variational formulation that utilizes a Helmholtz decomposition of the shear force. It produces approximations of the primitive variables and the bending moments.
Führer, Thomas +2 more
openaire +2 more sources

