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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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. 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 also…

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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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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 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 tolerance The harmonic response analysis returned…

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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 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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