研究目的
Investigating the design exploration approach for reliably manufacturable materials and structures with applications to a microstereolithography system, focusing on negative stiffness metamaterials.
研究成果
The study successfully extends the BNC approach to incorporate manufacturing variability explicitly into the design exploration process for NS metamaterials. It demonstrates how manufacturing variability can be characterized and modeled to identify reliably manufacturable designs. Ongoing work aims to expand the design variables and validate the predictive models with physical manufacturing.
研究不足
The study is limited by the assumption of independence between manufacturing variations in storage modulus and geometry, and the use of a single inclusion geometry for measurements. Future work includes testing more materials and inclusion geometries.
1:Experimental Design and Method Selection:
The study employs a design exploration approach based on Bayesian network classifiers (BNC) to incorporate manufacturability explicitly into the design exploration process.
2:Sample Selection and Data Sources:
The study focuses on negative stiffness (NS) metamaterials, with inclusions fabricated via microstereolithography.
3:List of Experimental Equipment and Materials:
Includes microstereolithography system for fabricating NS inclusions, SEM for imaging, and laser Doppler vibrometer (LDV) for measuring material properties.
4:Experimental Procedures and Operational Workflow:
Characterizes manufacturing variability of NS inclusions, measures variation in geometry and Young’s modulus, and models these variations mathematically.
5:Data Analysis Methods:
Uses Bayesian network classifiers to identify candidate designs that achieve performance targets reliably, considering manufacturing variability.
独家科研数据包,助您复现前沿成果,加速创新突破
获取完整内容