Recently developed tensile softening contact constitutive models implemented into a commercial discrete element code (3DEC) are used to simulate the softening behavior of concrete and masonry.

Contact constitutive models in tension; initial contact normal stiffness (kn)
Failure mechanism of a notched concrete specimen under direct tension (rotatable boundary condition)


  • Softening
  • Direct Tension
  • Tensile Softening


Pulatsu, B., Erdogmus, E., Lourenço, P. B., & Quey, R. (2019). Simulation of uniaxial tensile behavior of quasi-brittle materials using softening contact models in DEM. International Journal of Fracture, 1-21.


UDM Version: 1
Release Date: Jun 17, 2019

Category: Concrete

Software: Download: Contact: Developer:

Latest News
  • 2020 Peter A. Cundall Award ...
    Read More
  • Itasca Symposium 2020 Technical Papers and Statistics ...
    Read More
  • Itasca Symposium 2020 - Registration Now Open! Registration is now open for the Fifth International Itasca Symposium....
    Read More

Upcoming Events
17 Feb
Itasca Symposium 2020
The Fifth International Itasca Symposium will be held at the University of Vienna (Austria). The Symposium will features the applicatio... Read More
9 Mar
FLAC Introductory Training - Minneapolis
FLAC is numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support in two dimensions... Read More
16 Mar
FLAC3D Introductory Training - Minneapolis
Three days of general feature training addressing basic concepts and recommended procedures for geotechnical numerical analysis.... Read More