CSCM (Continuous Surface Cap Model) Concrete Calculator

Unit System: mm-s-tonne-N-MPa (MPa for pressure/stress, ton/mm³ for density)

MPa
Valid range: 20 - 80 MPa (normal strength concrete)
mm
Typical range: 4-38 mm
ton/mm³
Typical: 2.4e-9 ton/mm³ (2400 kg/m³)

LS-DYNA Card Options

Selects which variable will be recorded in EPS
Enable/disable strain rate effects model
-
0 = erosion disabled (default)
Enable temporary recovery of brittle damage

Reference

1. Murray Y.D. Users Manual for LS-DYNA Concrete Material Model 159 (MAT_CSCM). FHWA-HRT-05-062. Federal Highway Administration, 2007.

https://highways.dot.gov/media/5936

2. Novozhilov Y.V., Dmitriev A.N., Mikhaluk D.S. Precise Calibration of the Continuous Surface Cap Model for Concrete Simulation. Buildings. 2022;12(5):636.

https://doi.org/10.3390/buildings12050636

The CSCM model provides continuous smooth failure surfaces for concrete materials and includes strain rate effects. The Novozhilov calibration method improves parameter prediction accuracy for high strain-rate analysis.