VABS 4.1 Released, Improving Users’ Experience

AnalySwift is pleased to announce the release of VABS 4.1, the latest iteration of its popular modeling tool for composite slender structures, particularly aerospace rotor blades (helicopter, air mobility, eVTOL, UAV, propeller), wind turbine rotor blades, wings, and other slender components (poles, beams, rods, tubes, columns, shafts).

VABS has been proven to provide the best beam model for slender structures made of advanced materials such as composites featuring general anisotropy and heterogeneity. Extensive validation of VABS have shown that it can achieve the fidelity of 3D FEA for slender structures at the efficiency of simple engineering beam models.

1. Perform dehomogenization for multiple load cases in terms of forces and moments corresponding to the Euler-Bernoulli model and the Timoshenko model.
2. Output the modes and corresponding ratios for failure criteria with identifiable modes such as failure criteria 1, 2, and 5.
3. Provide documentation for the user-defined failure criterion capability.
4. Enable users to suppress the output of other stress/strain files except for the average stresses/strains for each element in the ELE file.
5. Remove damping input for no-damping analysis.
6. Output the classical stiffness matrix and compliance matrix at the shear center.
7. Enable comment lines in the inputs for better readability.
8. Output the time and date the code is compiled and released.
9. Provide simple instructions when VABS, VABS -h, or VABS -help is issued in the command line.
10. Simplify the installation process without administrator privilege.

A version of VABS is also available for advanced users who wish to call it as a library. With this version users who don’t want to have inputs/outputs to hard disks can simply pass information in RAM to the program you use to invoke VABS. This would typically be used in a design and optimization environment to avoid excessive inputs/outputs.

Request a free trial today!