qualitative considerations meaning in English

定性估计

In this paper , the calculating model for coupling function of water movement and heat conduction in subgrade is established based on the theory of continuum mechanics and the thermodynamics . the load function ’ s influence to frost heave is qualitative consideration in the model . the relationship of moisture content and temperature change with time and depth is calculated by use of matlab
本论文基于连续介质力学和热力学理论，建立了路基土的水分运移和热传导耦合模型，并定性的考虑荷载对冻胀性的影响，利用matlab数值计算软件，求解出了路基土在冻结过程中的含水量和温度在不同时间随深度的变化关系。