A Modified Strain-Rate-Dependent Spring-Mass Model for Response Prediction of Composite Laminates Subjected to Low-Velocity Impact

<div>Drop weight impact testing machine and customized steel fixture (a) The INSTRON CEAST 9350, (b) experimental state of the specimen during the test, (c) steel fixture with a coaxial circular hole.</div>

International Journal of Aerospace Engineering

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Figure 5

Figure 5: A Modified Strain-Rate-Dependent Spring-Mass Model for Response Prediction of Composite Laminates Subjected to Low-Velocity Impact 