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Dynamic characteristics study of composite base plate: numerical simulation, processing technology research and modal
Fengfeng Wang1,2, Guolai Yang3, Lei Li3
1School of Mechanical and Electrical Engineering, Jinling Institute of Technology, Nanjing, 211169, China. wangfengfengxcd@163.com.
Scientific Reports
|July 1, 2025
Summary
Lightweight composite mortar base plates were developed using modal analysis for enhanced mobility. Experimental results validated the efficient modeling method, ensuring structural reliability for future artillery applications.
Area of Science:
- Materials Science
- Mechanical Engineering
- Defense Technology
Background:
- Mortars are vital in modern warfare, necessitating improved mobility.
- Composite materials offer lightweight advantages for critical components like mortar base plates.
- Modal analysis is key for understanding and optimizing the dynamic behavior of structural components.
Purpose of the Study:
- To develop an efficient modeling method for composite mortar base plates.
- To design composite layups and establish computational models for modal analysis.
- To validate the model through experimental modal analysis and perform dynamic response analysis.
Main Methods:
- Finite element modeling and subspace method for eigenvalue problem computation.
- Composite layup design and specialized structural connection schemes.
- Experimental modal analysis using the hammering method for validation.
Main Results:
- A consistent correlation was found between computational and experimental modal analysis results.
- The developed model accurately predicts the dynamic characteristics of composite base plates.
- The study demonstrated the feasibility of using composite materials for lightweight mortar base plates.
Conclusions:
- The proposed efficient modeling method guides the structural design and optimization of composite base plates.
- This research supports the integration of advanced composite materials in artillery systems.
- Enhanced mobility through lightweight base plates is achievable for future mortar systems.
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