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webFalcon

webFalcon : WEB Based FEA Solution 

webFalcon is the web based FEA Solution based on framework developed by Sutra. This framework enables you to quickly develop web based CAE Applications. Sutra  uses the same framework to develop design applications that can be implemented on the web at very low cost. Application does not need installation on all clients and can be used in the Browser.

webFalcon provides most of the features that of Falcon which is a Desktop Application. The application has complete Pre Processing, Analysis (Open Source Solvers) and Post Processing capabilities.

As it is hosted on a web server, common database of materials,  tables from library are available to all users. All the solver execution is done on the server using batch queuing system. All the analysis data can also be shared by many users.

Overview

* 3D Geometry (STL) or 2D Geometry (DXF) data support

* Material library (Elastic/Hyper Elastic/Elastoplastic/Thermal/Non Linear/Temperature Dependent)

* Non Linear Table definitions

* Various Structural/Thermal Boundary condition definition on Geometric Model data

* Complete 2D and 3D Auto mesh with Mesh Size control

* Multiple analysis types [Static/Frequency/Heat Transfer]

*  Interface to Open Source Solvers  Calculix, Code-Aster 

* Contour/Deformation Result display with Animation

* FEA Data Import/Export support

* Multilingual support (English/Japanese/Other: controlled by browser)

* User access rights control

 

Typical Application Interaction Flow

 

Web Falcon WizardGuide to analysis processing with Wizard

1. Steps for 2D Model Analysis:

2. Steps for 3D Model Analysis:

Linear Static Analysis Examples :

Crankshaft
Bracket 3D
Pressure Vessel 2D

Non-Linear Static Analysis Examples:

Eyebar
Valve
Wirebending
Snap Fit
Two Plate Contacts
Wavespring

NonLinear (HyperElastic) Static Analysis Examples:

Trunk Door Seal
Bellows
Gasket

Frequency Analysis Examples:

Cantiliver
Frame
Impeller

Heat Transfer Analysis Examples:

Chimney
Engine Block
Exhaust Manifold
Pump

Sutra Platform:

* Client side Supported Web browser: MozillaFireFox, Edge, Chrome, Safari (iOS)
* Operation server specification: Windows 10 Server / Linux (CentOS, Redhat, Fedora, etc.)
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Software Products

PAGETOP
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Crankshaft

  • Static Analysis of a Crank Shaft is done to check the stress and deformation distributions within.
    		•

    Bracket 3D

  • Static Analysis for 3D Bracket is done. Input Data is in STL Format.
  • Bracket is fixed at holes and Pressure is applied to the bottom face.
  • Displacement and Stresses in the bracket can be displayed.
    		•

    Pressure Vessel 2D

  • The cylinder is modeled as an axisymmetric structure.
  • It is expanded by applying internal pressure. Pressure is increased with respect to time using the amplitude.
  • The cylinder is modeled as an axisymmetric structure.
  • Critical stresses can be checked.
    		•

    Eyebar

  • Plane strain model. Pin is moved with prescribed displacement which causes plastic deformation in the Eye.
  • Contact between Pin and Eye is given without any Friction.
  • Plastic Deformation and contact pressure contours can be viewed to study the deformation
    		•

    Valve

  • Valve has been modeled using Axis symmetric elements.
  • Valves moves along with Axis with internal pressure creating the pressure on the wall.
  • Penalty contact with friction is defined.
    		•

    Wirebending

  • Its example of Large displacements + Plasticity + Contact.
  • Nonlinear analysis of a wire with Elastoplastic Material was done.
  • Rigid body with prescribed rotation is used to bend the wire.
    		•

    Snap Fit

  • Penalty contact with friction is defined.
  • Base is considered as Rigid to check the stresses and deformation generating in the snap.
  • Animation shows the snap deforms and snaps into place.
    		•

    Two Plate Contacts

  • Its a simple 3D contact model.
  • Top plate is moved down by forced displacement to check its contact with the plate below.
    		•

    Wavespring

  • Aluminum Wave Spring Washer compressed between two steel blocks to see the stresses within.
    		•

    Trunk Door Seal

  • Trunk Door Seal is modeled using Plane Strain elements.
  • Analysis is done to examine the stresses and deflections created during the closing of a door.
  • Seal id modeled using rubber material with HyperElastic material properties.
  • Trunk door is considered very stiff relative to the rubber seal and modeled using a rigid body.
    		•

    Bellows

  • Bellows is modeled as an axisymmetric structure with hyper elastic material which will undergo an axial compression loading condition enforced through Forced Displacement of top surface.
  • Self-contact is specified on the inner and outer surfaces of the seal.
    		•

    Gasket

  • The rubber gasket is modeled as a quarter of a plane strain section, initially in contact with a flat rigid surface.
  • HyperElastic material properties has been used for the gasket.
  • The backbone is modeled with a linear elastic material.
  • Compression of Gasket material has been analyzed. Contact Between the plate and Gasket is also modeled.

    • Frequency Cantilever

  • Frequency Analysis is done to determine the natural mode shapes and frequencies of a simple Cantilever Beam.
    		•

    Frame

  • Frequency Analysis is done to determine the natural mode shapes and frequencies of a Frame.

    • Impeller

  • An impeller consists of a rotating disc called the hub, to which blades are attached.
  • The rotating motion of the impeller blades moves the fluid outwards.
  • The impeller is always placed directly onto the shaft of the electric motor so that it spins at a very high speed, which leads to a continuous vibration.
  • Here modal analysis of the impeller is done to understand the frequency change.
  • The mode shapes represent the bending modes and deformations of the impeller and impeller blades.
    		•

    Chimney

  • 2D Chimney Cross is modeled to analyze heat loss thru' Radiation and Convection thru 10 mm thick walls. Chimney interior part 40x20 mm.
    		•

    Engine Block

  • Thermal Analysis done to study the temperature gradient When engine is liquid cooled at 225 degC.
    		•

    Exhaust Manifold

  • Heat transfer in engine exhaust manifolds is governed by three effects: conduction through the metal, convection from the hot exhaust gases, and radiative exchange between different parts of the metal surface.
  • This example illustrates the computation of the equilibrium thermal state of a manifold subject to these effects.
  • Nodal temperature field for the manifold can be seen in the results.
    		•

    Pump 

    • Steady State Heat Transfer Analysis is done. Nodal temperatures can be seen in the results.