Eductor Von Mises Stress

ASME VIII Flotation Vessel Eductor Analysis

ANSYS Mechanical Enterprise 2020 R1 was used to undertake a FEA substantiation of an eductor for a flotation vessel to ASME VIII. Company The project was undertaken for Morris Ejector Technologies Ltd, who are a UK OEM with a global supply network and are specialists in venturi equipment and specialise in custom designed venturi products…

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Pressure Vessel Fea

Water Filter Pressure Vessel FEA

We have finally got around to posting this nice job from last month: a Pressure Vessel FEA and fatigue assessment of a polymer industrial water filter at 10 bar, for use in Europe and the United States. The analysis was conducted using ANSYS Mechanical Workbench 2020 R1. Mechanika Ltd assessed the original design and identified…

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Bonnet Opener And Man

Carbon Fibre Bonnet Opener Analysis

Mechanika successfully substantiated a carbon fibre bonnet opener jig for a client in the automotive sector. The bonnet opener is used to support the weight of the bonnet and also provide restraint in the event of impact and other user fault cases. Prior to detailed FEA in ANSYS Mechanical Workbench 2020 R1, preliminary hand calculations…

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Satellite Turnnover Assembly

Satellite Turnover Machine Analysis and Optimisation

Mechanika recently carried out a full design optimisation and analysis of a bespoke turnover machine for part of a satellite assembly. The assembly was initially assessed with traditional stress hand calculations to Eurocode 3 and BS EN 13001 Crane code series, which was then verified with detailed FEA using RFEM5 and ANSYS Mechanical Workbench 2020…

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Main Loads

Structural Design of Mining Plant Buildings

Mechanika is supporting a large UK client, in the structural scheme design of a mining facility in Eastern Europe. Mechanika have been responsible for the structural scheme design for a suite of buildings, conveyors, culverts and towers, which are being constructed in and around the facility. The following images show one of Mechanika’s portal frame…

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Stress Plots

Beer Brewing Bottle Pressure Vessel

Mechanika have recently analysed a plastic pressure vessel for a beverage brewing company in the UK. The bottle was designed for 3 bar working pressure and 6 bar proof pressure. Mechanika assessed the following items using FEA in ANSYS Mechanical Workbench 2020 R1 and hand calculations: Static pressure analysis Combined thermal analysis Creep Assessment Fatigue…

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Customer Inputs

Californian Electrical Control House Hurricane Assessment

Mechanika carried out a detailed stress analysis of an Electrical Control Cabin which was situated in California. The assessments were executed in-line with EU and local California legislation and the structure was assessed to the requirements set out in the following design codes: BS EN 1993-1-1 Eurocode 3 General rules buildings BS EN 1993-1-8 Eurocode…

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Instaclave Fea 2

Medical Autoclave Stress Analysis and Fatigue Life Prediction

Mechanika has recently completed a static stress analysis and detailed fatigue analysis for an autoclave, which had been designed and prototyped by a client in the medical instrumentation sector. The project consisted of full substantiation and compliance with “BS EN 13445-3: Unfired Pressure Vessels – Design”, supplemented by detailed fatigue data from Mechanika Ltd.’s expansive…

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Lifting Beam Neo - Stress Analysis Calculator

2-tonne SWL Aerospace Lifting Beam

Mechanika Ltd provided a full design life-cycle stress analysis for the design of a bespoke lifting beam for carrying aerospace payloads up to 2 tonnes. Structural sizing was carried out at project initiation which was underpinned with FEA to show compliance with customer requirements and lifting code permissible stresses. From here, the customer was able…

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Engineering consultancy staging small

5-tonne Aluminium Assembly Staging Structure

Mechanika Ltd recently undertook a full structural analysis of a 5-tonne aluminium staging structure for the aerospace sector. The structure was verified by detailed hand calculations followed by beam modelling in RFEM5 FEA. The analysis was executed in-line with the rules set out in: “BS EN 1999-1-1 Design of Aluminium Structures” The staging structure was…

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150 tonne mobile hopper arrives in the Ivory Coast

The mobile hopper facilitates the loading and unloading of ships and provides a means of storage and transportation of materials. Mechanika ltd carried out the entire structural assessment and structural design of the hopper, which in an overloaded case could sustain loads of 600 tonnes. The load cases assessed covered all static and dynamic scenarios…

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FEA Structural Analysis Harmonic Response Graph

Aircraft Buffer Air Valve Substantiation Analysis

Mechanika ltd successfully executed a complete analysis of a buffer air valve used on a range of small business jets. The analysis carried out utilised hand calculations plus FEA and included: Pressure loading Shock loading Thermal stress and transient analysis Manoeuvre loading Harmonic response on engine Fault loads High cycle fatigue Low cycle fatigue Damage…

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Deep Sea Measuring Device FEA 001

Deep Sea Measuring Device FEA

A sensitive deep sea magnetic measuring device was assessed by Mechanika, to demonstrate its structural conformance at 2.2 km submersion. A detailed non-linear contact and material study was undertaken to understand working level performance at depth and also ultimate failure analysis to determine the maximum safe working depth of the device.

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Compression Plate

Compression Plate Fatigue Analysis

Mechanika undertook an FEA study to investigate the working stress cycles within a heavy-duty compression plate fabrication. The assembly was modelled using shell and solid higher order elements. The principal stress magnitudes were calculated via FEA and a fatigue life prediction was carried out for the client. Mechanika also advised on the redesign of the…

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Boom Structural Analysis and Redesign

A complete structural analysis in-line with the rules set out in F.E.M Section 2, Document 2 131/ 2 132, was undertaken by Mechanika, for a 30 m feeder boom. The total structural mass when fully laden was 61 tonnes and the operational distributed load on the boom conveyor was 4.75 tonnes. The analysis comprised the assessment…

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