Batch Use a Batch study step to start a COMSOL Multiphysics batch process that solves the current study on your computer. Syntax model.study(stdname).create(fname, "Batch"); model.study(stdname).feature(fname).set(pname,value); Description Study step. The following properties are available. Table 6-77: Properties for Batch Settings Property Value Default Description batchdir String Batch directory. batchfile String batchmodel.mph Filename. serverdir String Server directory. specserverdir on | off off Specify server directory path. Table 6-78: Properties for Study Extensions Property Value Default Description graphics on | off off Use graphics. maxalive Integer Alive time (seconds). maxallow Integer Maximum number of simultaneous jobs. maxrestarts Integer Maximum number of job restarts.