Based on single-crank crankshaft, beam element whole crankshaft and solid element whole crankshaft model, the crankshaft deformation and main bearing load of N485 diesel engine are calculated.

• 基于单拐曲轴、梁单元整体曲轴和体单元整体曲轴模型，分别计算了N485柴油机的曲轴变形和主轴承负荷；