nCode DesignLife is an up-front design tool that identifies critical locations for performing fatigue analysis from leading FEA results data, including ANSYS. Workshop / Tutorial 1: Introduction to the ANSYS nCode DesignLife Interface Workshop / Tutorial 2: Constant amplitude Stress life fatigue analysis. Workshop .

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Start-to-end automation avoids the majority of errors and ensures consistency, especially in large organizations in which multiple engineers might be analyzing the results.

The following methods can be used individually or combined to give the most conservative result: A standard database containing over vibration entries is included. Uses specific material parameters calculated from tensile and torsion tests.

Includes a batch interface program to simplify the running of distributed jobs.

The Strain-Life method is applicable to a wide range of problems including low-cycle fatigue with the local elastic-plastic strain controls the fatigue life. Dang Van is a multi-axial fatigue limit criterion and designlite a method of predicting the endurance limit under complex loading situations. Enables you to rapidly solve jobs by using the combined processors of many machines.

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The Composite Analysis option allows users to evaluate the strength of a structure against industry standard composite failure criteria. Vibration Manager Enables vibration specification data to be entered, edited, and viewed. Structural stress at the weld toe, the hot-spot stress can be estimated by the extrapolation of the surface stress at points near the weld Supports BS welding standard, together with required material curves Enables vibration specification data to be entered, edited, and viewed.

The primary application of the Stress-Life SN method is high-cycle fatigue long lives where nominal stress controls tutorialx fatigue life. Product options containing functions for virtual shaker testing, fatigue of welds, vibration fatigue, crack growth detection, fatigue of composites, thermo-mechanical fatigue analysis and more are described below. Select from a pre-populated library of geometries or supply custom stress intensity factors.

Duty cycles can be defined by selecting from and building multiple cases. Inputs are linear stress or strain for this SN based technique. The theoretical basis of the method was developed by the Volvo Group and the testing and software implementation was carried out as part of a collaborative research project with partners including Jaguar Land Rover, Coventry University and Warwick University.


The Adhesive Bonds option enables durability calculations on adhesive joints in metallic structures. Stresses from a nfode finite element model are analyzed in a single analysis process. Mechanical loads that vary at ncodf different rate to the temperature variations can also be combined.

Although this is primarily a CAE based analysis, the same method may also be applied to measured stress data. Tutorisls method is based on the ncpde developed by Volvo see also SAE paper and validated through years of use on vehicle chassis and body development projects.

DesignLife provides methods to intelligently identify weld lines in the FE model, thus simplifying the process of setting up tytorials fatigue job. Biaxial 3D Multiaxial Auto-correction Mean stress corrections: Python scripting is also available for defining custom fatigue methods and material models.

See how our customers are using our software: Material models can also be defined using general look-up curves. Rather than limiting this evaluation to a small number of load cases or steps, stresses can be assessed by using the tutorkals failure criteria throughout realistic duty cycles quasi-static or dynamic.

Manufacturing effects can be accounted for by using equivalent designlifd strain in the unloaded component. Time histories due to applied loads can be extracted for direct correlation with your measured strain or displacement data.

Biaxial 3D Multiaxial Auto-correction.

Simulate complex loading scenarios using any time domain method static or modal superposition, duty cycles, etc. This method is widely used as a key design criteria for engine and powertrain components like crankshafts, camshafts and pistons.

This allows critical locations, load combinations and associated design reserve factors to dseignlife readily identified. Commercial truck owners needing weight and fuel economy savings are considering the benefits of a single wide-base wheel.

Introduction to ANSYS nCode DesignLife | ANSYS

Fatigue Analysis using FEA Results Design for Durability Attendees looking to learn more about the background of fatigue theory are encouraged designlive attend our 2-day course called Practical Fatigue Theory. The same structural stress technique used for seam welds is used in WholeLife to determine the structural bending and membrane stresses at the weld.


Safety Factor enables the calculation of stress based factors of safety. The Seam Weld option enables the fatigue analysis of seam welded joints including fillet, overlap, and laser welded joints. The Short Fibre Composite option uses stress-life fatigue calculations for anisotropic materials such as glass fibre filled thermoplastics.

This approach substantially reduced engineering costs and helped E-Z-GO get the new design into production faster.

ANSYS nCode DesignLife

The Strain Gauge Positioning option calculates the optimum position and number of gauges required to enable the subsequent reconstruction of applied load histories. Applications include components that ncod both mechanically and thermally loaded such as vehicle exhaust systems and manifolds.

ANSYS nCode DesignLife contains the most up-to-date methods and simulation tools to make predicting fatigue life as accurate and easy as possible.

Includes the ability to interpolate multiple material data curves for factors such as mean stress or temperature. Further options are also provided to account for stress gradients and surface finishes. Find training Request quote Contact us. Short Fibre Composite module features: The following courses feature hands-on examples with DesignLife: Adhesive bonds are modeled with beam elements and grid point forces are used to determine line forces and moments at the edge of the glued flange.

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ANSYS nCode DesignLife: Fatigue Failure Analysis

They then ran designlie thermal-stress analysis again with the new design, exported the stresses to nCode DesignLife, and combined the results with a material model and a description of the repetitive loading that the product is expected to undergo during operation. The Thermo-Mechanical Fatigue TMF option provides solvers for high temperature fatigue and creep by using stress and temperature results from finite element simulations.

This enables the ability to interpolate multiple tuotrials data curves for factors such as mean stress or temperature.