![]() ![]() So, what you required from the CAD tool, is to handle the merging of those two surfaces (the loop and the cylinder) automatically using BooleanFragments, which might be problematic, especially if one has to take floating-point arithmetic aspects into account. In a single plane (2D), create the geometry by first creating all points, then combining the points into lines, and then the lines into a surface. Here is a zoom on the problematic part in the original, unmodified setup. 1 Defining the Geometry and Mesh in GMSH 1.1 Graphical User Interface (GUI) and. However, this disconnects the cylinders from the loop and modifies the problem drastically. Where I slightly shifted the cylinders to the inside ( 50-> 52 and 250 -> 248) should not have the meshing problem. This animation shows a reverse fault which is a steeper-angle fault, but it moves the same way. Mesh Options all elements needs to be Hexa A thrust fault is a reverse fault with a dip of 45 or less, a very low angle. The following code: SetFactory("OpenCASCADE") The circular extrusions (cylinders) touch the stirrup exactly at the vertices, thus creating complications to OpenCASCADE-based BooleanFragments operation. The Emerson fault, one of the segments that ruptured in the M7.2 1992 Landers, Calfornia earthquake. Faults are commonly considered to be active if they have moved one or more times in the last 10,000 years. A new geometry file is created in Gmsh using the following. A fault that is likely to have another earthquake sometime in the future. A step-by-step procedure is given here to solve a linear-elastic cantilever beam problem subjected to uniform pressure. The version of the Gmsh used for this tutorial is 4.0.6 (MacOSX). ![]() Not a complete answer however, I think I identified the problem that probably causes the major troubles: In this tutorial, the use of Gmsh is explained as an alternative pre-processor.
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