Decription for example model
The user can model differential equations for model such as spring system using DE.
Figure 1 Example model
The differential equation for the above example model is as follows:
The model is defined as following equation.
And transform 2nd order differential equation to 1st order one.
And modify to general matric form.
RecurDyn model for varification
Compare the two results by creating a model using differential equations and a verification model using dynamics.
Figure 2 Differential equation model and verification model using dynamics
Differential equation_1 (Using explicit form)
The user can define a differential equation in an explicit form.
The equation using explicit form is following:
Set the PV, VE, DE and Expression like as following:
Figure 3 Set PV
Figure 4 Set VE
Figure 5 Set DE
Figure 6 Set Expression
Differential equation_2 (Using implicit form)
The user can define a differential equation in an implicit form.
The equation using implicit form is following:
Set the PV, VE, DE and Expression like as following:
Figure 7 Set PV
Figure 8 Set VE
Figure 9 Set DE
Figure 10 Set Expression
Results of differential equation
Figure 8 Comparison of differential equation results and dynamic analysis results