Posted Wed, 22 Nov 2017 22:17:25 GMT by GWM
Is there a way to crop particle paths when they go above the zero-pressure iso-surface? The reason for this is that I have a model that is being ran in a fully confined configuration as a proxy to an unconfined system (there are numerical issues with the unconfined version) and I would like to find out how far the particles go before they hit what would be approximately equivalent to the water table.

Posted Sun, 26 Nov 2017 16:52:44 GMT by Björn Kaiser
The current implementation allows you to control the field lines by the Property panel (e.g. minimum & maximum travel time) and the Numerical Controls in the Problem Settings (Particle-Tracking Computation). Most likely, this is not exactly what you are looking for.

A workaround which comes into my mind is the following. Export the fieldlines and the water table to GIS formats. ArcGIS has a method called [b] Intersect 3D Line With Multipatch (3D Analyst)[/b]. I never used this method but it seems the method provides what you are looking for: The fieldlines must be represented as 3D Lines and the water table as the Multipatch. Perhaps you need to manipulate the exported data before you can apply this method.

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