{"action":"created","issue":{"url":"https://api.github.com/repos/geodynamics/aspect/issues/1192","repository_url":"https://api.github.com/repos/geodynamics/aspect","labels_url":"https://api.github.com/repos/geodynamics/aspect/issues/1192/labels{/name}","comments_url":"https://api.github.com/repos/geodynamics/aspect/issues/1192/comments","events_url":"https://api.github.com/repos/geodynamics/aspect/issues/1192/events","html_url":"https://github.com/geodynamics/aspect/pull/1192","id":173819041,"number":1192,"title":"Add strain weakening option to the visco_plastic material model","user":{"login":"naliboff","id":3475679,"avatar_url":"https://avatars.githubusercontent.com/u/3475679?v=3","gravatar_id":"","url":"https://api.github.com/users/naliboff","html_url":"https://github.com/naliboff","followers_url":"https://api.github.com/users/naliboff/followers","following_url":"https://api.github.com/users/naliboff/following{/other_user}","gists_url":"https://api.github.com/users/naliboff/gists{/gist_id}","starred_url":"https://api.github.com/users/naliboff/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/naliboff/subscriptions","organizations_url":"https://api.github.com/users/naliboff/orgs","repos_url":"https://api.github.com/users/naliboff/repos","events_url":"https://api.github.com/users/naliboff/events{/privacy}","received_events_url":"https://api.github.com/users/naliboff/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":12,"created_at":"2016-08-29T16:49:55Z","updated_at":"2016-11-09T05:34:09Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/geodynamics/aspect/pulls/1192","html_url":"https://github.com/geodynamics/aspect/pull/1192","diff_url":"https://github.com/geodynamics/aspect/pull/1192.diff","patch_url":"https://github.com/geodynamics/aspect/pull/1192.patch"},"body":"Implementation of a strain weakening option to the visco_plastic material model.  Strain weakening is calculated via finite strain, which may be calculated through particles or compositional fields through the finite_strain plugin.  \n\nFor either of these options, the material model assumes (and states in the documentation) that the fields tracking each finite strain component must be listed prior to any additional fields.  This allows removing the contribution of the finite strain fields from the volume fraction of each element.  Is there a better way to do this?  I can think of a few other methods, but am interested to hear new ideas on this point.\n"},"comment":{"url":"https://api.github.com/repos/geodynamics/aspect/issues/comments/259337287","html_url":"https://github.com/geodynamics/aspect/pull/1192#issuecomment-259337287","issue_url":"https://api.github.com/repos/geodynamics/aspect/issues/1192","id":259337287,"user":{"login":"naliboff","id":3475679,"avatar_url":"https://avatars.githubusercontent.com/u/3475679?v=3","gravatar_id":"","url":"https://api.github.com/users/naliboff","html_url":"https://github.com/naliboff","followers_url":"https://api.github.com/users/naliboff/followers","following_url":"https://api.github.com/users/naliboff/following{/other_user}","gists_url":"https://api.github.com/users/naliboff/gists{/gist_id}","starred_url":"https://api.github.com/users/naliboff/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/naliboff/subscriptions","organizations_url":"https://api.github.com/users/naliboff/orgs","repos_url":"https://api.github.com/users/naliboff/repos","events_url":"https://api.github.com/users/naliboff/events{/privacy}","received_events_url":"https://api.github.com/users/naliboff/received_events","type":"User","site_admin":false},"created_at":"2016-11-09T05:34:09Z","updated_at":"2016-11-09T05:34:09Z","body":"The last test failing was almost certainly due to not having a new parameter for updating ghost particles this is required with active tracers.  I should have rerun the test to make sure everything was working after the rebase."}}
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