Search Results for "strain gradient theory"

SAFEDC is a freeware guided wave (GW)calculator developed by Dr. Menglong Liu's group from Harbin Institute of Technology, Shenzhen, China. Email liumenglong1988@gmail.com on SAFEDC. The function is as follows: 1. GW in isotropic plate. Acousto-elastic effect can be calculated, and result of dispersion cuve, displacement/stress/strain curve along the thickness, and static/dynamic mode shape can be output. 2. GW in anisotropic plate. laminate with arbitrary material and geometry parameters...

.... d. Three-layer sandwich-wall with isotropic outer layers and orthotropic core. Stress-strain solutions for all constructions are based on thick-wall three-dimensional elastic theory. Elastic Monocoque Instability pressure is calculated. Instructions on using each worksheet are given therein. 2. Technical notes outlining the underlying theory and discussing the above four types of PVs.

DAPS4e is an updated version of a Fortran code by John Renzi for design and analysis of monocoque and ring-stiffened circular cylindrical shells. The following failure modes are considered: • Shell stresses and displacements at mid-bay and ring-frames. • Ring-frame stress. • Axisymmetric collapse (AC). • Elastic and Inelastic Interbay Buckling. (EIB and IIB). • Elastic and Inelastic Monocoque Instability (EMI and IMI). • Elastic and Inelastic General Instability (EGI and IGI). • Ring-Frame...

A collection of research papers and software related to explainability in graph machine learning. Deep learning methods are achieving ever-increasing performance on many artificial intelligence tasks. A major limitation of deep models is that they are not amenable to interpretability. This limitation can be circumvented by developing post hoc techniques to explain the predictions, giving rise to the area of explainability. Recently, explainability of deep models on images and texts has...

Scalable Molecular Analysis Solver for High-performance computing systems (SMASH) is massively parallel software for quantum chemistry calculations and released under the Apache 2.0 open source license. It is currently capable of energy, analytical gradient, and geometry optimization calculations of Hartree-Fock theory and Density Functional Theory (DFT), and energy calculations of Second-order Moller-Plesset (MP2) perturbation theory. DFT calculations can be performed on 100,000 CPU cores...

These Matlab scripts illustrate the numerical solution of two one-dimensional tensile rods equipped with integro-differential and strain-gradient constitutive laws by means of classical Hermitian and Lagrangian finite element discretizations, B-spline finite element discretizations and C∞ generalized finite element discretizations. Reference M. Malagù, E. Benvenuti, C. A. Duarte, and A. Simone. One-dimensional nonlocal and gradient elasticity: Assessment of high order approximation schemes...

Coexlam is a VBA Excel application that performs composite laminate analysis. Laminate theory is used with several strength criteria: maximal stress, maximal strain, Tsaï-Hill and Tasï-Wu. A help including a Getting Started part is now available in the application. The users can add their own formulas or application, an example is provided with a tank under pressure. Several load cases can be calculated in one time in the Print sheet. Laminates can be saved in the Library sheet. Several...

DEXA is dedicated to providing post-experiment signal processing of DiffXAS signals. By combining ab initio theory with measured spectra, structural strain parameters may be extracted from the differential signals at an intrinsic, atomic scale.