What is the difference between the production copy and the free trial?

The free trial is limited in function, maximum number of calculation mesh and operative period. On the other hand, production version can simulate large number of calculation mesh as far as memory permits. Please refer speck sheet for detail information.

Can free trial is used except for trial purpose?

No. Free trial is limited to the use of software evaluation, not for business or academic research.

How long the evaluation period?

A free trial can be used for 30 days.