boundary conditions - Repost - open to bidding

If you are an expert in math and physics , I need you to find a boundary conditions for a model. the price should be $35. Please do not bid if you are not satisfied with this rate. More details will be provided upon your requests. Terms and Conditions 1. I own all copyrights to all work upon payment. All work is not to be reused in any way for any reason. 2. Payment will be delivered via Freelancer after the work is completed. 3. You agree to give me full rights to cancel projects within 48 hours of acceptance if I deem your work is not good enough for my purposes. 4. Only apply if you are a serious bidder, individual and agree on above terms. Thank you