A: This app is using Open Source stress analysis tool named Frame3DD under the hood. This tool capable of static and dynamic simulations, but we only allow a narrow subset of simulation modes. Frame3DD is originally written in C, however we use WebAssembly to migrate it to the js domain.
A: Official documentation says: "Frame3DD is free open-source software for static and dynamic structural analysis of 2D and 3D frames and trusses with elastic and geometric stiffness. It computes the static deflections, reactions, internal element forces, natural frequencies, mode shapes and modal participation factors of two- and three- dimensional elastic structures using direct stiffness and mass assembly."
A: Yes, you can use WASM version of Frame3DD or alternativetely you can use updated version of Frame3Dd
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