Vibration Transmission from a Machine with Three Degree of Freedoms to Beam Structures by Dynamic Stiffness Method

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Case</td><td class="align_center"><i>α</i><sub>1</sub></td><td class="align_center"><i>α</i><sub>2</sub></td><td class="align_center"><i>α</i><sub>3</sub></td><td class="align_center"><i>α</i><sub>4</sub></td><td class="align_center">Original <i>F</i><sub><i>dr-max</i></sub> (N)</td><td class="align_center">Optimal <i>F</i><sub><i>dr-max</i></sub> (N)</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">One-DOF modeling</td><td class="align_center">1.2</td><td class="align_center">1.1</td><td class="align_center">0.6</td><td class="align_center">0.7</td><td class="align_center">2.1982</td><td class="align_center">0.8506</td></tr><tr><td class="align_left">Three-DOF modeling</td><td class="align_center">0.6</td><td class="align_center">0.8</td><td class="align_center">1.1</td><td class="align_center">0.5</td><td class="align_center">2.2705</td><td class="align_center">0.6864</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The optimized spring stiffness coefficients and the corresponding resultant force.</div>

Shock and Vibration

tab4

Table 4

Table 4: Vibration Transmission from a Machine with Three Degree of Freedoms to Beam Structures by Dynamic Stiffness Method 