The invention discloses a fluid-
solid-heat intelligent
loose coupling method, device, medium and product, and relates to the field of multi-
physics field
coupling calculation. The method comprises the following steps: constructing an appearance feature difference amplification model and an
aerodynamic force intelligent prediction model for the tiny deformation of the aircraft; an aerodynamic heat intelligent prediction model under the variable-configuration variable-incoming-flow condition is constructed based on a local heat wall correction technology; and constructing an intelligent
data transmission model oriented to the flow-
solid interface non-matched grid. Executing multi-field
coupling propulsion of dynamic
time step based on the model; predicting
aerodynamic force,
structural deformation and aerodynamic
heat distribution by using an intelligent model; and adaptively adjusting the
time step length according to the change degree of the aerodynamic heat environment, if the change exceeds a threshold value, carrying out
time domain propulsion by adopting numerical calculation and updating each intelligent model on line, otherwise, directly predicting the next
time step by utilizing the intelligent model. According to the method, the
coupling step length can be adaptively adjusted according to the change intensity of the
physical field, and the calculation efficiency is remarkably improved on the premise of ensuring the precision.