Multibody Dynamics Simulation Engineer
- Wuxi, Jiangsu
- Permanent
- Full-time
As a Multibody Dynamics Simulation Engineer at Caterpillar, you will perform multibody dynamics simulation for construction machinery and mining equipment. Areas of responsibility include simulation model building and integration, simulation – test correlation, structure load prediction and machine and sub-system performance evaluation. We have a fabulous team that does some of the most exciting work at Caterpillar, and we can’t wait for you to join the team!!What You Will Do:
- Multibody dynamics simulation model building and integration
- Structure load prediction for structural simulation team
- Machine and sub-system performance evaluation and optimization
- Test plan creation and following up
- Simulation – test correlation
- Track on the development of multi-body dynamics simulation technologies, and continuous improvement on simulation accuracy and efficiency
- 5 years+ relevant work experience.
- Requires a master’s degree or above in Mechanics, Mechanical, Automotive, Aerospace, or equivalent fields.
Simulation Model Building:
- Develop a deep working knowledge of operation and application of construction machinery and mining equipment.
- Build multibody dynamics simulation model, scope of which include linkage, tire and soil / rock etc.
- Integrate sub-system models, including power system, hydraulic system, control system and operator model etc.
- Assess the simulation model issues and debug the model efficiently.
- Responsible for model garage development and simulation model management.
- Rigid body kinematics analysis of complex systems.
- Provide the simulated structure load to structure simulation team.
- Work together with structure simulation team and design team on machine structure validation and optimization.
- Refine the simulation model with detailed sub-system models based on project requirements.
- Evaluate machine level performance, like digging force, productivity and fuel/power economy.
- Work together with test team on test plan and follow up the test.
- Test data analysis.
- Perform correlation between simulation and test.
- Write detailed technical reports and simulation documents to clearly communicate simulation results and recommendations
- Master at least one programming language, such as Python, MATLAB, C++
- Ability to write scripts and tools to improve simulation efficiency and automation
The location for this position is Wuxi, Jiangsu
This position will require less than 10% travel.职位概要：
作为卡特彼勒的多体动力学仿真工程师，您将为工程机械和采矿设备进行多体动力学仿真。职责范围包括仿真模型的构建和集成、仿真分析并根据测试数据校准仿真模型、结构载荷预测以及整机和子系统性能评估。我们拥有一支出色的团队从事这些最令人兴奋的工作，我们迫不及待地希望您也加入团队！！您将做什么：
- 多体动力学仿真模型的搭建与集成
- 为结构仿真团队进行结构载荷预测
- 整机和子系统性能评估与优化
- 测试计划的制定与跟进
- 分析仿真结果并根据测试数据校准仿真模型
- 持续关注多体动力学仿真技术的发展，并不断提高仿真精度和效率
- 5年+相关领域工作经验
- 力学、机械、汽车、航空航天或相关领域的硕士学位或以上
仿真模型搭建：
- 学习对工程机械和采矿设备的操作及其应用的知识
- 搭建多体动力学仿真模型，范围包括机械结构运动链、轮胎和土壤/岩石等
- 集成子系统模型，包括动力驱动系统、液压系统、控制系统和驾驶员模型等
- 评估仿真模型问题并有效调试模型
- 负责模型库的开发和仿真模型管理
- 复杂系统的刚体运动学分析
- 向结构仿真团队提供仿真的结构载荷
- 与结构仿真团队和设计团队合作进行整机结构验证和优化
- 根据项目要求使用相应的详细子系统模型完善仿真模型
- 评估整机系统级性能，如挖掘力、生产效率和燃油/能耗经济性
- 与测试团队合作制定测试计划并跟进测试项目
- 测试数据分析
- 仿真分析并根据测试数据校准仿真模型
- 撰写详细的技术报告和仿真文档，清晰传达仿真结果和建议
- 掌握至少一种编程语言，如Python、MATLAB、C++
- 能够编写脚本和工具，提高仿真效率和自动化程度
该职位的地点是江苏无锡
该职位需要出差且其时间不超过总工作时间的 10%Posting Dates: June 11, 2025 - July 6, 2025Caterpillar is an Equal Opportunity Employer.Not ready to apply? Join our .