Development of software versions

SOFTWARE

Dynamics R4		See also Damper R3.1 here

The new multi-level model architecture includes assemblies, submodels and subsystems
The new algorithm to solve eigenvalue problems in terms of global flexibility matrix obtained for multilevel, multilinked and space systems by means of transfer matrix method is realized
The code includes new capabilities for 1-D and 2-D parametric studies by verifying the model parameters, speed, dimensions, location, stiffness, damping, load, etc.
The Critical Speed Map option is extended and can show relations of model parameters and critical speeds
An additional stability map shows the logarithmic decrement versus the rotation speed
The project description has additional parameters
An additional element describes link points of subsystems and elements
An additional link is described with non-symmetric stiffness and damping matrixes
A super-elements prepared in FEM programs are possible to include in dynamic models
The set of algorithms for multi-shaft systems analysis is amended with gear transmission block for cylindrical, conical or hypoid gears
The reference system is amended with additional information
The education examples library is extended
The Undo/Redo function is added
Different systems of units may be used, SI, or GB
The [Roll Bearing Support] и [Ball Bearing Support] elements are modified

Parametric analysis using [Variables] mode
New form of stiffness, flexibility and damping coefficients input (matrix input)
Saving of transient data. Loading of saved data
Automatic basis recalculation
Memory efficiency improved
[User Variables] in transient response
Real time Integrator Statistics output
A general form beam element is added
A general form stiff link element is added

The improved code structure allows adopting and development matching specific user’s orders
New algorithm of Natural Frequencies and Modes analysis
New user interface
3-D location of subsystems, co-axial, or misaligned, or crossing
Analysis of natural or violated coupled bending-torsion-axial vibrations in rotating subsystem
New elements for simulation of linear multi-shaft rotor systems
Solution of non-linear system proble
A wide range of non-linear elements
New steady and unsteady loads, unbalance, impact, harmonic, periodic, weight, axial load, etc.
Parametric study on of the model parameters
Consideration of internal and structure frictions
Dynamics stability evaluation
Specific adoptive methods for the non-linear solutions optimize calculation speed and accuracy
Compatibility with the previous DYNAMICS models
Creation of a unified material database
Customizable formats of protocols and reports on input data and calculation results