Mechanika recently carried out a thermal analysis of the under-pitch heating system used at Tottenham Hotspur Football Club. A local FE model was created to simulate a section through the pitch, using symmetric and thermal boundary conditions. The model provided a bench-marking tool for the trial of various heating arrangements. Mechanika were able to optimise…
In March 2022, Mechanika provided the complete manufacture, supply and installation of a pressurised containment vessel mock-up, for Veolia Nuclear Solutions UK Limited. https://mechanika-ltd.com/wp-content/uploads/2022/12/FAT-Facility-Timelapse-_Trim_Trim.mp4
In February 2022, Mechanika successfully delivered a challenging project in the waste water industry, for an array of large mobile waste water distributor machines. The Problem: The client had seen repeated premature bearing and axle failure across a range of 30 waste water distributor machine chassis. The down time and associated costs were significant. Previous…
In December 2021, Mechanika undertook a complete structural analyis of a 52 m radial telescopic shiploader for use in the bulk materials handling sector. As part of the assessment, a full seismic qualification was executed. Mechanika also assessed and optimsed the mechanisms as well as the main shiploader structure.
Mechanika were commissioned by JW Automarine Ltd to carry out some detailed FEA on some of their crane proof load test water bags. Mechanika verified the FEA results with test data, which produced an ultimate pressure within 0.5% of physical testing. FEA of crane proof load test water bags was performed in RFEM5 using cable…
Mechanika assisted with the design optimisation and structural analysis of a 400 tonne hydraulic guillotine press. The FEA was executed using ANSYS Mechanical Workbench 2020 R2, which was used to model the non-linear cutting action of the blade through the workpiece and to verify the stresses throughout the machine. Mechanika also modelled the hydraulic mechanism…
Mechanika were recently commissioned to carry out a structural verification and optimisation of a bespoke PVC webbing machine for Kernow Coatings Ltd. Mechanika undertook a site survey of the machine prior to the detailed modelling and analysis using RFEM5 structural FEA software. The design was optimised to generate a maximum working area for personnel underneath…
At the start of 2021, Mechanika Ltd delivered a modular testbed structure to Veolia Nuclear Solutions (UK) Ltd, which provided a structural interface for a remote handling robot. A modular testbed and mobile carriage were designed from first principles, using traditional static and dynamic hand calculations to underpin the concept prior to generating the design.…
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…
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…
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…
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…
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…
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…
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…
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…
Mechanika Ltd recently carried out a full substantiation analysis of a prototype bell crank mechanism on a small aircraft engine. The scope of the analysis was as follows: Identification of the weakest structural link using mechanics and stress hand calculations. This was executed to enable a fast communication of the load path through the…
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…
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…
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…
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…
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.
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…
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…