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Mechanical Engineer with 5+ years of experience delivering engineering calculations, simulations, and detailed designs for static and rotating equipment in Oil & Gas, Mining, Manufacturing, and Energy industries. Familiar with code compliance such as: ASME, API, TEMA, ASHRAE, AWWA, CEMA, NFPA and ISO Standard MY SERVICE: ⚙️ STATIC & ROTATING EQUIPMENT ✔️ PRESSURE VESSEL | Perform Calculation by code, FEA Simulation, 3D model, Detail Drawing. ✔️STORAGE TANK | Perform Calculation by code, FEA Simulation, 3D model, Detail Drawing. ✔️HEAT EXCHANGER | Perform Calculation by code, CFD Simulation, 3D model, Detail Drawing. ✔️PIPING DESIGN | Perform Calculation by code, Stress Analysis, Plant 3D, Isometric Drawing. ✔️PUMP & COMPRESSOR | Perform Calculation, CFD Simulation, Plant Layout. ✔️MECHANICAL PACKAGE such as: Chiller Unit, Filtration System. ✔️CONVEYOR | Perform Calculation by code and Detail Drawing. ✔️MEP & HVAC | Perform calculation requirement, detail drawing, and fabrication ready. ⚙️ OTHERS ✔️3D Modelling for Mechanical Design | GA, Detail drawing. ✔️CFD | Perform CFD for Thermal, Fluid Dynamic. ✔️FEA & Calculation| Perform FEA Analysis for machine equipment such as bolting, shaft, bearing EXPERTISE SOFTWARE: ⚙️ CAD ✔️ Autodesk AutoCAD ✔️Autodesk Inventor ✔️ AutoCAD Plant 3D ✔️ SolidWorks ⚙️ CAE ✔️ PV Elite ✔️ AME Tank ✔️ ANSYS CFD, and ANSYS Mechanical ✔️ HTRI ✔️ CAESAR II ✔️ Sidewinder ✔️ Carrier HAP

Mechanical Engineer | CFD · FEA · CAD | 2× USPTO Patents | Top Rated Plus Overview: Mechanical engineer specialising in CFD, FEA, and thermal systems, with two granted USPTO patents in cooling technology (US 12,452,991 · US 12,453,048). I design and validate heat exchangers, HVAC systems, centrifugal fans, and refrigerant loops in OpenFOAM, ANSYS Fluent, SimScale, and SolidWorks Flow Simulation. Top Rated Plus on Upwork , 85+ contracts, 3,000+ hours, $275K+ earned. Based in Cape Town, South Africa. Former CTO of a product development company. I don't ship black-box "trust me" reports. Every deliverable carries the mesh, Y+ verification, residual history, and flow-uniformity evidence behind the numbers. Results your team can defend in a design review. And because I've built a Python+OpenFOAM automation pipeline, I run parametric sweeps hand-meshing freelancers can't: on Heat exchanger contracts(2026), a 224,000-point overnight sweep on a centrifugal heat exchanger surfaced a geometry that more than doubled system COP. Core Services CFD: heat exchangers, HVAC, centrifugal fans, ducts, refrigerant loops; conjugate heat transfer, natural convection, multiphase flow with species transport, turbulence modelling (k-ω SST, realizable k-ε, LES where warranted). FEA / Structural: stress, fatigue life, vibration, drop/impact testing, nonlinear and topology optimisation, composites (CalculiX, ANSYS Mechanical). Acoustic / NVH: noise prediction and NVH analysis. CAD & Documentation: SOLIDWORKS parametric modelling, assemblies, sheet metal, weldments, surface modelling, photorealistic rendering, and manufacturing-ready technical drawings. Software: OpenFOAM, ANSYS Fluent, ANSYS Mechanical, SimScale, STAR-CCM+, COMSOL Multiphysics, SolidWorks (CAD + Flow Simulation), CalculiX, Gmsh, AutoCAD, Fusion 360, MATLAB, Python. Selected Work: Heat exchanger (2026) — 224k-point automated CFD sweep on a centrifugal heat exchanger; found a geometry that >2× system COP. Brine–CO₂ corrosion modelling, oil-field pipework (2025–26, active) — multiphase CFD with species transport. USC approved Valve (2025) — backflow-preventer pressure-loss validation to AWWA C510 across six configurations. EvansWerks (2023–26) — 32-month principal-engineer engagement for Product development Patented airless tyre (2026) — coupled FEA + thermal feasibility on an adaptive airless tyre (CalculiX + Gmsh). toronto university wind tunnel (2025) — contraction-section CFD achieving <1% velocity-profile RMS in the working section. Credentials: Mechanical Engineering, advanced simulation focus (in progress) · BSc.Eng (Hons) Mechanical Engineering, UKZN · Aerospace Systems Research Group affiliate since 2019 · 2× granted USPTO patents in cooling-system technology. Industries: Aerospace, Automotive, Energy, Manufacturing, Medical Devices, Consumer Products, HVAC, Electronics Cooling. Working With Me: Send a brief or job link → scope, a fixed or hourly quote, and a stated turnaround within one business day. Every project ships with validated mesh, residual + Y+ + flow-uniformity plots, side-by-side configuration comparison, and a one-page executive summary. Regular updates throughout, designs optimized for manufacturability. Overlap with US, EU, and APAC business hours.

Need more than just a drawing? I deliver the full package. I'm an electrical engineer with 5+ years designing and documenting power systems — from concept to as-built — for PLN substations, petrochemical plants, and telecom infrastructure across Indonesia. What I deliver: • SLD, schematic, wiring diagram & general arrangement • 400/230 AC Switchboard single and double input system with automatic electrical ATS and smart interlock system, UPS, rectifier & inverter system design • 110VDC / 48VDC DC distribution board (DCDB), Single, double, more input with Smart logic interlock and ATS. • Battery rack & fuse box documentation • As-built drawings & BOM • Technical proposal, approval docs, SOP, WI & JSA All deliverables in AutoCAD DWG + PDF format. I don't just draw what you tell me — I engineer the solution, then document it properly.

9+ years in physical acoustics, vibration and ultrasound, for civil (buildings), consumer (ultrasonics) and industrial products, with experience in embedded, prototyping and new product introduction. PhD candidate in Ultrasonics, published author and inventor in few patents for a novel electromagnetic actuator. I offer laboratory services to: - Perform frequency response and impedance measurements. - Measure both airborne and waterborne ultrasound using lab-grade equipment. - Model, design and test piezo-based sensors including Langevin transducers. - Vibration isolated platform and vibration measurements. - Shaker testing and accelerometer testing. I am Member of Institute of Acoustics UK (IoA), and British Institute for Non-Destructive testing (BINDT). Areas of expertise: - Ultrasound: ultrasonic transducers including underwater, hydrophone measurements, piezoelectric and Langevin transducers. - Vibration: measurement using industry-standard accelerometers, signal processing, simulation using Finite Difference or Finite Element for buildings and products, transfer function measurements, setup of custom setups, ground-borne vibration analysis from trains, radiated noise, vibration actuator and custom vibration isolator design. - Haptics: design of haptic systems, and embedded programming of haptic actuators, including Texas Instruments DRV2605, and Rensas ASICs. - Measurements: Laser Doppler Vibrometer, Thermal measurements using FLIR systems, High-Speed Imaging, Radio Frequency (RF) - Programming: MATLAB and Python scientific programming and publication-level data analysis. - Prototyping: PCB design, etching and milling, Lathe and CNC metal work, soldering, reverse engineering. C and C++ for embedded development for Arduino and STM32. - Audio DSP design including testing of Acoustic Echo Cancellation (AEC) solutions, Acoustics Noise Cancellation ANC, Voice Activity Detectors, Cirrus Logic, Sigma DSP, Threshold Detectors, including open source algorithms such as WebRTC, SpeexDSP. - LabView applications for NI and non-NI devices with GUI interface, for testing, measurement and prototyping. Relevant achievements Served 20+ projects for clients worldwide since 2023. Sole inventor in 3 patent applications, 2023 Founded a company specialising in vibration feedback solutions, 2023 Published in Nature Scientific Reports and IEEE, 2021–2022 Presented my publications in IEEE Ultrasonic Symposium, 2021–2022

I am a Senior Power Systems Engineer specializing in **grid interconnection, compliance, and system impact studies** for **renewable generation, BESS, hybrid plants, conventional generation, and large industrial / data center loads**. I deliver **utility-, ISO-, and TSO-ready studies** using **PSS®E, PowerFactory, PSCAD, and ETAP**, covering the full range of technical assessments required for project development, connection applications, design review, and compliance demonstration. My work supports **Solar PV, Wind, BESS, Hybrid plants, conventional power facilities, and data centers**, with studies prepared in a way that reflects how utilities and system operators actually review **models, assumptions, plots, test evidence, and compliance conclusions**. I support clients from early-stage screening through submission-ready packages, including clear RFIs, defensible assumptions, clean technical plots, and structured reports suitable for utilities, TSOs, ISOs, developers, EPCs, and owners’ engineers. Core Services Grid Interconnection & Compliance Studies * Load flow and operating case assessment * Short-circuit / fault level calculations * RMS dynamic stability studies * Grid code and interconnection compliance benchmarking * Utility / ISO submission-ready technical reports * Model review, validation, and technical support during review cycles ### Renewable Generation / BESS / Hybrid Plants * Solar PV, Wind, BESS, and Hybrid plant interconnection studies * LVRT / HVRT / LFRT / HFRT assessment * Reactive power capability and voltage control performance * Frequency response and plant controller performance * Weak-grid assessment and control interaction review * PRC / MOD / MQT / G99 / G5 compliance support ### Data Center & Large Load Studies * Grid connection studies for **large industrial loads and data centers** * Load flow, contingency, and thermal capacity assessment * Point of interconnection screening and transfer capability review * Motor starting / dynamic load behavior review where applicable * Voltage stability and reactive power performance assessment * Large load ride-through and dynamic behavior assessment * Support for connection strategy, substation concept review, and utility-facing technical documentation ### Design & Engineering Support * Single-line diagrams (SLD) * Cable and conductor sizing * Grounding / earthing grid studies * Surge arrester selection and insulation coordination * Protection coordination and selectivity studies * Relay setting review and interface logic support ## Technical Services ### Short-Circuit Studies * Fault calculations to IEC 60909 and IEEE methods * Breaker duty and X/R ratio verification * IBR fault contribution assessment * Faulted operating condition evaluation ### Dynamic (RMS) Studies * Transient stability and oscillatory damping * Frequency response and control performance * LVRT / HVRT / LFRT / HFRT benchmarking * Weak-grid and controller interaction studies * Plant controller and model tuning support ### EMT Studies * IBR control interaction and converter dynamics * Fast transient and weak-grid EMT validation * Special operating scenarios and black-start studies where required * OEM / utility EMT model review and benchmarking ### Protection & Control Interface * Relay coordination support * PRC-019 interface checks * Voltage / frequency protection coordination with IBR controls * SCADA / Modbus / IEC 61850 signal and interface logic review ## Grid Codes & Standards Experience **United States** NERC PRC(029 024 019) & MOD(025 026 027 032) standards, ERCOT, PJM, NYISO, MISO, SPP, CAISO IEEE 519, IEEE 1453, IEEE 1547 ERCOT model quality and interconnection processes **United Kingdom** ENA G99 ENA G5/5 P28 / P29 DNO submission and acceptance support **Germany / EU** VDE-AR-N 4110 / 4120 FGW TR3 / TR4 / TR8 references Additional regions can be supported based on project documentation and applicable grid-code requirements. ## Software * PSS®E * DIgSILENT PowerFactory * PSCAD * ETAP * MATLAB / Simulink * AutoCAD ## Deliverables * Technical reports * RAW / DYR files * PowerFactory projects * PSCAD cases * ETAP models * Parameter summaries * Validation plots * Submission support documents ## Why Clients Work With Me * Clear scope definition from the start * Strong RFIs and efficient data collection * Technically defensible assumptions * Utility-ready reports and plots * Combined RMS and EMT capability I can support complete interconnection packages or single-study scopes, depending on project needs. If you have an RFP, grid-code requirement, interconnection document, utility feedback package, or study scope, I can review it and help define a clear technical approach, deliverables list, and schedule.

I’m an electromechanical engineer and physicist with 8+ years of R&D and project leadership in electric motor design and electromechanical systems. From academic research at the University of Granada to co-founding a health-tech startup and engineering for aerospace applications, I bring deep expertise in taking concepts through design, simulation, prototyping and IP protection. - Electric motor design & simulation: Permanent-magnet (PMSM) and custom magnetic circuits using SolidWorks, ANSYS Maxwell, Flux/Flux Motor and MATLAB/Simulink - Power electronics & control systems: BMS, DC/DC converters, sensor integration and microcontroller-based control (Arduino, ESP32) - Full-cycle project management: Requirements analysis, resource planning, multidisciplinary team coordination, validation, integration and IP strategy - Prototyping & testing: Battery systems, RF modules, brushless motors, 3D-printed parts and finite-element electromagnetic simulation - Advanced programming & tools: Python, C++, Fortran, LTSpice, KiCAD, COMSOL Whether you need a turnkey electric-motor design, power-electronics consultancy or full electromechanical engineering support, I deliver clear roadmaps, timely communication and professional oversight from concept to certified prototype. Let’s discuss how I can help bring your next project to life.