StressCheck’s Linear Elasticity Solver allows you to confidently investigate solid mechanics-based modeling concepts before manufacturing expensive prototypes, modifying existing structural details and/or developing novel repair concepts. Why confidently? Because our solver implementation inherently separates modeling errors from numerical approximation errors, helping you simplify the engineering decision-making process.
Linear Elasticity Solver
The Linear Elasticity Solver is the initial building block of the seamless hierarchic modeling framework that constitutes the foundation of StressCheck. Sequential linear elastic solutions are obtained automatically by increasing the polynomial level of the elements, and subsequent advanced analyses use linear solutions as a basis.
Key Features and Advantages
- Solutions can be obtained by p-extension and adaptive-p methods with convergence-based criteria
- Allows for easy verification of results without mesh refinement
- It is simple and easy to extend a linear elastic solution to higher p-levels
- Multiple solutions can be obtained for the same mesh and convergence in the data of interest can be checked by increasing the number of degrees of freedom (DOF) by p-extension.
- Includes support for multi-body contact analysis, with no inherent limit on assembly size
- Solutions on the order of 50 million DOF or more can be computed
- Provides product development professionals with the most widely used and needed analysis capabilities for structural analysis
- Identify problem areas and test ideas virtually before building expensive prototypes and experimental fixtures
- Powerful and extensible – this is the prerequisite module to run advanced analysis types (e.g. nonlinear, margin check, cold-working, modal/buckling)
- Supports planar (plane stress, plane strain), extruded, axisymmetric, and 3D elasticity analysis
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“The p-type element has been used to great advantage in the finite element system ESRD StressCheck, [26]. This software provides the engineer with the means to conduct solution verification in an extremely straightforward manner by simply increasing the degree of the element, monitoring convergence and using Richardson extrapolation reliably to estimate the error. This can be conducted automatically by the software thereby enabling the engineer to concentrate on the engineering rather than the simulation. StressCheck has also been used to develop ESRD’s Handbook and Toolbox applications. The first of these provides engineers with a repository of parameterised standard problems of the type found in texts like Roark’s “Formulas for Stress and Strain”, [27]. The second, Toolbox, is a tool that can be used to parameterise a company’s range of components for rapid and reliable analysis by non-expert analysis. Toolbox then is an exemplary of the way in which the democratisation of simulation can be applied.”
Angus Ramsay, PhD
Engineering Director, Ramsay Maunder Associates