{"action":"created","issue":{"url":"https://api.github.com/repos/xcompact3d/Incompact3d/issues/18","repository_url":"https://api.github.com/repos/xcompact3d/Incompact3d","labels_url":"https://api.github.com/repos/xcompact3d/Incompact3d/issues/18/labels{/name}","comments_url":"https://api.github.com/repos/xcompact3d/Incompact3d/issues/18/comments","events_url":"https://api.github.com/repos/xcompact3d/Incompact3d/issues/18/events","html_url":"https://github.com/xcompact3d/Incompact3d/issues/18","id":325335842,"number":18,"title":"Forcing term (IBM)","user":{"login":"jxgxx","id":18666651,"avatar_url":"https://avatars1.githubusercontent.com/u/18666651?v=4","gravatar_id":"","url":"https://api.github.com/users/jxgxx","html_url":"https://github.com/jxgxx","followers_url":"https://api.github.com/users/jxgxx/followers","following_url":"https://api.github.com/users/jxgxx/following{/other_user}","gists_url":"https://api.github.com/users/jxgxx/gists{/gist_id}","starred_url":"https://api.github.com/users/jxgxx/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jxgxx/subscriptions","organizations_url":"https://api.github.com/users/jxgxx/orgs","repos_url":"https://api.github.com/users/jxgxx/repos","events_url":"https://api.github.com/users/jxgxx/events{/privacy}","received_events_url":"https://api.github.com/users/jxgxx/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2018-05-22T15:03:07Z","updated_at":"2018-05-30T03:47:52Z","closed_at":null,"author_association":"NONE","body":"Hi all,\r\n\r\nWhen applying IBM module (old school IBM), the direct forcing term is calculated based on Eq.10 in ref. [Laizet S. & Lamballais E., 2009, High-order compact schemes for incompressible flows: a simple and efficient method with the quasi-spectral accuracy, J. Comp. Phys. ].\r\n\r\nI am unable to find out the calculation lines of RHS in Eq.10 in the code. Could anyone point out where is it ? Or how can I output the direct forcing term f ?\r\n\r\nThanks.\r\n\r\nXixiong"},"comment":{"url":"https://api.github.com/repos/xcompact3d/Incompact3d/issues/comments/393021379","html_url":"https://github.com/xcompact3d/Incompact3d/issues/18#issuecomment-393021379","issue_url":"https://api.github.com/repos/xcompact3d/Incompact3d/issues/18","id":393021379,"user":{"login":"jxgxx","id":18666651,"avatar_url":"https://avatars1.githubusercontent.com/u/18666651?v=4","gravatar_id":"","url":"https://api.github.com/users/jxgxx","html_url":"https://github.com/jxgxx","followers_url":"https://api.github.com/users/jxgxx/followers","following_url":"https://api.github.com/users/jxgxx/following{/other_user}","gists_url":"https://api.github.com/users/jxgxx/gists{/gist_id}","starred_url":"https://api.github.com/users/jxgxx/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jxgxx/subscriptions","organizations_url":"https://api.github.com/users/jxgxx/orgs","repos_url":"https://api.github.com/users/jxgxx/repos","events_url":"https://api.github.com/users/jxgxx/events{/privacy}","received_events_url":"https://api.github.com/users/jxgxx/received_events","type":"User","site_admin":false},"created_at":"2018-05-30T03:47:52Z","updated_at":"2018-05-30T03:47:52Z","author_association":"NONE","body":"Thanks.\r\nBut I am still in puzzle. From Eqs. 3-5,  the \"f^~\" must be a known term, in order to obtain u_k+1 from k time step. Then how to make it works without knowing the \"f^~\" (together with eq.10) ?  \r\n"}}
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