Dynamic Option

The dynamic analysis option permits two-dimensional, fully dynamic analysis with FLAC2D. User-specified acceleration, velocity, or stress waves can be input directly to the model either as an exterior boundary condition or an interior excitation to the model. FLAC2D contains absorbing and free-field boundary conditions to simulate the effect of an infinite elastic medium surrounding the model.

This option can be coupled to the structural element model, thus permitting analysis of soil-structure interaction brought about by ground shaking. The dynamic feature can also be coupled to the groundwater flow model. This allows, for example, analyses involving time-dependent pore pressure change associated with liquefaction. The dynamic model can likewise be coupled to the optional thermal model in order to calculate the combined effect of thermal and dynamic loading. The dynamic option extends FLAC2D's analysis capability to a wide range of dynamic problems in disciplines such as earthquake engineering, seismology, and mine rockbursts.

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Upcoming Events
22 Apr
FLAC2D In-Person Introductory Course
Live in-person introductory training course. This 3-day course provides a general overview of FLAC2D and covers many basic concepts and... Read More
29 Apr
PFC In-Person Introductory Course
Live in-person introductory training course. This four-day course provides guidance in the use of the Itasca codes PFC2D and PFC3D to s... Read More
29 May
Getting Started with FLAC2D/FLAC3D
Objectives of the training: •Understand the FLAC2D/ FLAC3D numerical approach and the types ofproblems it can solve•Know how to manipul... Read More