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Dynamic Analysis

Dynamic analysis allows the user to account for the time dependent characteristics of their structure.

For linear dynamics, the initial effort is often to determine the natural frequencies through a modal analysis.

Results are then utilized in a harmonic, shock, seismic, random vibration, or transient simulation to determine deflections, stresses, and strains. For nonlinear dynamics, a direct transient simulation can be performed.

FEA Consulting Projects

Large Electronic Switch Seismic Response

A large pole mounted electronic switch was validated for structural integrity due to dynamic response from an earthquake event.

Alcohol Process Equipment

The dynamic response of a mash feeder tube was investigated with regards to system excitation.

Aerospace Component Shock & Random Vibration Analysis

Simulation of MIL Standard triangular wave shock and random vibration requirements.

Truck Bracket Random Vibration Response

Comparative fatigue investigation into truck cab step brackets subject to MIL-STD-810G random vibration.

Multistage Compressor

Rotordynamics and resonance analysis.

Vehicle Accident

Reconstruction utilizing ANSYS LS-Dyna.

Arch Gravity Dam

Seismic evaluation

Spillway Piers

Seismic stability and gate operability.

Panama Canal Culvert Valve

Hydrodynamic analysis.

Nuclear Plant

Analysis for tornado generated missile impact.

Engine Anti-Ice System

Random vibration evaluation for flight operation.

Marine Valve

Modal and acceleration investigation due to improper constraint.

Jet Engine Sensor

Operating conditions dynamic analysis.

Related Ansys FEA Software Capabilities

Rotordynamics for power generation, transportation, electronics, and process equipment
Vibration isolation to minimize energy transmission to structures
Stress stiffening / spin softening to investigate impact to dynamic characteristics
Single and multi-point response spectrum
Vibro Accoustic analysis to determine sound response to excitation
High performance computing

Resources

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