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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“A screening of existent commercial and non-commercial tools was carried out in respect to their fracture mechanics capabilities, their design abilities, implementation as well as their complexity. Although, there are many software possibilities, only those within the reach of the author were evaluated. This resulted in the selection of the commercial tool StressCheck. The assessment of crack propagation on compact tension and two stringer specimens governed by the Paris and Forman regimes was satisfactory compared with experimental results using the material data from simple standard specimens.”
Lloren Llopart Prieto (EADS)
Doctoral Thesis, "Modelling and analysis of crack turning on aeronautical structures"