heat transfert code

Hachani

hello I am student of post graduation preparing a thése magister whose subject of search is the storage of solar energy in the ground. I have the honor to be sent a computer code which treats the transfer of heat of a source of energy represented by a pipeline of section cerculaire which transports hot water towards the ground " considered as a porous medium", control is established in the ground. such as the modes of transfer of heat are " conduction and the convection ". I wish that your answer be positive and in time as quickly as possible. accept thank you my sincéres greeting for your collaboration.