Hi,
Currently , I am working on an MBD system (Outer-tub dynamic assembly of Front Load washing machine, with two hanging linear springs and 3 friction dampers). I want to compute the linearized dynamic model to perform the Eigenvalue analysis. I am following a research paper by Prof. Bae (An Implementation method of linearized equations of motion for multibody systems with closed loops). I compared the computed stiffness matric with Recurdyn computed stiffness matrix. RecurDyn provided two different stiffness matrices (one for static analysis and another one for Eigenvalue analysis). My stiffness matrix (Python code as Prof Bae paper) is matching with the Recurdyn stiffness matrix computed for static analysis.
I want to know why are these two stiffness matrices of RecurDyn different, and How to compute them?Hi,
Currently , I am working on an MBD system (Outer-tub dynamic assembly of Front Load washing machine, with two hanging linear springs and 3 friction dampers). I want to compute the linearized dynamic model to perform the Eigenvalue analysis. I am following a research paper by Prof. Bae (An Implementation method of linearized equations of motion for multibody systems with closed loops). I compared the computed stiffness matric with Recurdyn computed stiffness matrix. RecurDyn provided two different stiffness matrices (one for static analysis and another one for Eigenvalue analysis). My stiffness matrix (Python code as Prof Bae paper) is matching with the Recurdyn stiffness matrix computed for static analysis.
I want to know why are these two stiffness matrices of RecurDyn different, and How to compute them? Hi,
Currently , I am working on an MBD system (Outer-tub dynamic assembly of Front Load washing machine, with two hanging linear springs and 3 friction dampers). I want to compute the linearized dynamic model to perform the Eigenvalue analysis. I am following a research paper by Prof. Bae (An Implementation method of linearized equations of motion for multibody systems with closed loops). I compared the computed stiffness matric with Recurdyn computed stiffness matrix. RecurDyn provided two different stiffness matrices (one for static analysis and another one for Eigenvalue analysis). My stiffness matrix (Python code as Prof Bae paper) is matching with the Recurdyn stiffness matrix computed for static analysis.
I want to know why are these two stiffness matrices of RecurDyn different, and How to compute them? linearized dynamic model, eigenvalue analysis, outer-tub dynamic assembly wit, washing machine, static equilibrium, linear and torsional springs MATLAB Answers — New Questions

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