OpenOptions op = new OpenOptions();
op.Audit = true; //是否需要核查
op.DetachFromCentralOption = DetachFromCentralOption.DetachAndDiscardWorksets;//脱离并放弃工作集
var mp = ModelPathUtils.ConvertUserVisiblePathToModelPath(path); //path为rvt文件的物理路径
commandData.Application.OpenAndActivateDocument(mp, op, true);