{"action":"created","issue":{"url":"https://api.github.com/repos/firemodels/fds-smv/issues/3499","repository_url":"https://api.github.com/repos/firemodels/fds-smv","labels_url":"https://api.github.com/repos/firemodels/fds-smv/issues/3499/labels{/name}","comments_url":"https://api.github.com/repos/firemodels/fds-smv/issues/3499/comments","events_url":"https://api.github.com/repos/firemodels/fds-smv/issues/3499/events","html_url":"https://github.com/firemodels/fds-smv/pull/3499","id":134365685,"number":3499,"title":"FDS Source: Issue #3484. Fix bug when TAU_MF=0.","user":{"login":"mcgratta","id":11333911,"avatar_url":"https://avatars.githubusercontent.com/u/11333911?v=3","gravatar_id":"","url":"https://api.github.com/users/mcgratta","html_url":"https://github.com/mcgratta","followers_url":"https://api.github.com/users/mcgratta/followers","following_url":"https://api.github.com/users/mcgratta/following{/other_user}","gists_url":"https://api.github.com/users/mcgratta/gists{/gist_id}","starred_url":"https://api.github.com/users/mcgratta/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mcgratta/subscriptions","organizations_url":"https://api.github.com/users/mcgratta/orgs","repos_url":"https://api.github.com/users/mcgratta/repos","events_url":"https://api.github.com/users/mcgratta/events{/privacy}","received_events_url":"https://api.github.com/users/mcgratta/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-02-17T18:49:18Z","updated_at":"2016-02-17T18:57:53Z","closed_at":"2016-02-17T18:49:23Z","pull_request":{"url":"https://api.github.com/repos/firemodels/fds-smv/pulls/3499","html_url":"https://github.com/firemodels/fds-smv/pull/3499","diff_url":"https://github.com/firemodels/fds-smv/pull/3499.diff","patch_url":"https://github.com/firemodels/fds-smv/pull/3499.patch"},"body":""},"comment":{"url":"https://api.github.com/repos/firemodels/fds-smv/issues/comments/185348820","html_url":"https://github.com/firemodels/fds-smv/pull/3499#issuecomment-185348820","issue_url":"https://api.github.com/repos/firemodels/fds-smv/issues/3499","id":185348820,"user":{"login":"mcgratta","id":11333911,"avatar_url":"https://avatars.githubusercontent.com/u/11333911?v=3","gravatar_id":"","url":"https://api.github.com/users/mcgratta","html_url":"https://github.com/mcgratta","followers_url":"https://api.github.com/users/mcgratta/followers","following_url":"https://api.github.com/users/mcgratta/following{/other_user}","gists_url":"https://api.github.com/users/mcgratta/gists{/gist_id}","starred_url":"https://api.github.com/users/mcgratta/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mcgratta/subscriptions","organizations_url":"https://api.github.com/users/mcgratta/orgs","repos_url":"https://api.github.com/users/mcgratta/repos","events_url":"https://api.github.com/users/mcgratta/events{/privacy}","received_events_url":"https://api.github.com/users/mcgratta/received_events","type":"User","site_admin":false},"created_at":"2016-02-17T18:57:53Z","updated_at":"2016-02-17T18:57:53Z","body":"This fix is for cases when `TAU_MF=0`. The problem was that we call `WALL_BC` during the `INITIALIZATION_PHASE` of the simulation so that certain initial conditions will be properly implemented. During this call, `CORRECTOR=.TRUE.` and `ONE_D%UW` gets set to something other than 0 because when `TAU_MF=0`, `EVALUATE_RAMP` returns 1. When the calculation actually starts, we need `UW` to be zero so that we can ramp the velocity up to whatever its value needs to be. We don't specify the normal velocity, but rather the change in the normal velocity with time, so we have to start at zero. The fix is to simply not do the specified mass flux calculation during the `INITIALIZATION_PHASE`."}}