Compatibility Problem between CATIA and ANSYS

Dear Sir,
Following are the general steps to do the design and development of any process.
(a) Plan
(b) Concept Development
(c) Testing and Analysis
(d) Preliminary Development
(e) Testing and Bug Fixing
(f) Final Development
(g) Final Testing
(h) Clearance for use
As per present trade, CATIA software is generally used by engineering firms to do the development of Models and Drawings. These drawings and models are further analyzed by Analysis software for the verification and validation. At this stage, frequently Design engineers observed CATIA is not compatible with the use of ANSYS for analysis. During run time it creates the wrong boundaries which further affects the results of model and they have to do the re-designing for the open boundary by other compatible software (i.e. Hypermesh)
How we can remove the misalignment between CATIA and ANSYS?
Waiting for your reply.
Thanks,
With best regards,
JIGAR RAVAL
