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With the release of StressCheck v11.1, we have made tremendous improvements to model rendering, load arrow drawing and load record updating performances to provide the user with maximum efficiency. This release also provides new mixed element meshing functionality in the Crack Front and Boundary Layer methods as well as the all-new Thin Section method, which allow the user to utilize pentahedral and hexahedral elements together with a traditional all-tetrahedral automesh. These improved, high-quality meshes can provide the user more accurate results with less computational cost, especially for fracture and contact problems. StressCheck v11.1 also boasts improvements for Global-Local analysis in the form of TLAP scaling parameters and improved GUI options for point load/constraint rendering, as well as updates to the COM API functionality and the StressCheck Offline Documentation.
In this S.A.F.E.R. Simulation post, we'll explore Five Key Quality Checks for verifying the accuracy of FEA solutions. To help us drive the conversation in a practical manner, we selected a widely available and well understood benchmark problem to model, solve and perform each Key Quality Check using ESRD's flagship FEA software, StressCheck Professional.
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“Through the use of StressCheck the A-10 Aircraft Structural Integrity Program’s (ASIP) Analysis Group is able to model more accurately the physics of fatigue crack propagation in critical aircraft structure. Through this tool we are able to model, analyze and predict failure of aircraft structure and then develop crucial inspection and maintenance planes to ensure the safety and sustainability of our nations warplanes. Without the analysis capability provided to us through StressCheck we would not be able to provide accurate assessments of the A-10 structure to top USAF leadership.”
SWRI Research Engineer
Southwest Research Institute
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