Modeling of large Marine diesel engine should exactly reflect the dynamic process of main parameters in the running period of diesel engine because of ship's particular operating conditions.
由于船舶的特殊运行环境，柴油机模型要求能够准确反映运行过程中各主要参数的动态变化。
However, the running mechanism of diesel engine is quite complex, and the system is nonlinear and time-variable, so difficulties in physical modeling arise.
但由于柴油机运行过程机理相当复杂，且系统具有非线性、时变性，这给用物理方法建模带来了困难。
This thesis is on the basis of the research of diesel engine type 4135 etc, and the complete and systematic numerical modeling and malfunction simulation for thermal loading.
本文以4135柴油机等机型作为研究对象，对其热负荷进行了全面系统的数值模拟和故障仿真。
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