# Eren ARAL — Mechanical Engineer Portfolio

> Portfolio of Eren ARAL, a Mechanical Engineer (Hacettepe University) specialising in Mechanical Design, Quality Control, and Procurement Engineering. Based in Kocaeli, Türkiye. Experienced with CATIA V5, ANSYS Mechanical, LS-Dyna, MATLAB/Simulink, SAP ERP, Zeiss T-Scan Hawk 2, 8D methodology, GD&T per ASME Y14.5-2018, and ISO 9001 quality management. Fluent in Turkish (native) and English (B2).

## Key Facts

- **Name:** Eren ARAL
- **Role:** Mechanical Engineer (design · quality · procurement)
- **Location:** Kocaeli, Türkiye
- **University:** Hacettepe University, Faculty of Engineering — Department of Mechanical Engineering
- **Graduation:** July 2026 (B.Sc. Mechanical Engineering)
- **Languages:** Turkish (native), English (B2)
- **Contact:** mail@erenaral.com · https://www.linkedin.com/in/erenaral
- **CV:** https://erenaral.com/cv.pdf

## Technical Stack (Quantified)

- **CAD & Simulation:** CATIA V5 (part, assembly, GSD), ANSYS Mechanical (linear/nonlinear FEA), LS-Dyna (explicit dynamics, impact simulation), MATLAB R2023b + Simulink.
- **Quality Metrology:** Zeiss T-Scan Hawk 2 handheld laser scanner (~0.020 mm point-cloud accuracy), 8D methodology (Eight Disciplines root-cause framework), GD&T per ASME Y14.5-2018, first-article inspection (FAI).
- **Enterprise Tooling:** SAP ERP (MM and PP modules), supplier evaluation matrices, ISO 9001-aligned process control, AI-assisted supplier documentation automation.
- **Embedded & IoT:** ESP32 microcontrollers, PID thermal control (±1 °C steady-state), BLDC motor driver with PWM + SMPS integration, CNC machining, FDM 3D printing.

## Signature Projects

1. **3-DOF Parallel Mechanism Kinematics** — Senior thesis at Hacettepe University: inverse kinematic modelling and workspace analysis of a planar 3-RRR parallel robot, validated via FEA stress analysis in ANSYS Mechanical, with GD&T tolerance stack-up and actuator selection.
2. **eCVT Transmission Prototyping** — Conceptual electronically controlled CVT for commercial EV powertrains designed in CATIA V5; analysed variator geometry and torque–speed characteristics; 3D-printed prototype components; mechanical simulation for power-transfer efficiency.
3. **ESP32 PID Thermal & Motor Control** — Embedded closed-loop thermal system on ESP32 with sub-degree steady-state error; BLDC motor control via PWM + SMPS; CFD/thermal analysis of cooling channel geometry in ANSYS Fluent; IoT real-time monitoring interface.
4. **Investment Portfolio Tracker** — Web dashboard tracking equities and crypto via live REST APIs, with P/L calculation and portfolio allocation visualisation.

## Professional Experience

- **Kontrolmatik Teknoloji A.Ş., Ankara — Procurement Engineering Intern (Jun 2025)**
  - Developed an AI-assisted tool that standardised inconsistent supplier documentation across dozens of vendor formats, reducing manual workload by ≈40%.
  - Contributed to the company-wide SAP ERP migration and supported cross-department process integration.
  - Restructured internal procurement documentation templates, improving workflow efficiency by ≈20%.
  - Participated in design reviews and testing of electrical panels rated up to 5,000 amps.
  - Prepared vendor evaluation matrices and managed supply-chain communications.

- **Anadolu Isuzu Automotive, Kocaeli — Quality Control Engineering Intern (Aug 2024)**
  - Performed dimensional inspection of incoming components with Zeiss T-Scan Hawk 2.
  - Resolved radar bracket and headlight assembly defects using 8D root-cause methodology.
  - Executed door sealing and chassis corrosion coating on the first 10 prototype vehicles of the Big-E program.
  - Monitored bus and truck assembly lines averaging 60 vehicles/day.
  - Ran metallographic analysis, salt spray testing, and hardness measurements in calibration labs.

- **Hacettepe University Mechanical Labs, Ankara — Workshop Intern (Jun 2022)**
  - Hands-on manufacturing in CNC, lathe, milling, and drilling operations; tensile testing and metal forming; chassis and powertrain-focused automotive technology studies.

## Frequently Asked Questions

### What engineering disciplines does Eren ARAL specialise in?
Mechanical design (CATIA V5, ANSYS, LS-Dyna), quality control (8D methodology, GD&T per ASME Y14.5-2018, Zeiss T-Scan Hawk 2 metrology), and procurement engineering (SAP ERP MM/PP, supplier evaluation, ISO 9001-aligned workflows).

### Which software does Eren ARAL use daily?
CATIA V5 for 3D design, ANSYS Mechanical for structural/thermal FEA, LS-Dyna for crash/impact, MATLAB/Simulink for kinematic and control modelling, and SAP ERP for procurement/production workflows.

### What measurable results has Eren ARAL delivered?
At Kontrolmatik he reduced manual documentation workload by ≈40% via an AI-assisted standardisation tool and improved procurement workflow efficiency by ≈20% through template restructuring. These align with the McKinsey Operations Practice benchmark of 30–45% administrative-overhead reduction from structured supplier workflows.

### Where is Eren ARAL located and how to contact him?
Kocaeli, Türkiye — a major automotive and heavy-industry hub. Email: mail@erenaral.com. LinkedIn: https://www.linkedin.com/in/erenaral. CV: https://erenaral.com/cv.pdf.

## Navigation

- [About](https://erenaral.com/#about)
- [Experience](https://erenaral.com/#experience)
- [Education](https://erenaral.com/#education)
- [Skills](https://erenaral.com/#skills)
- [Projects](https://erenaral.com/#projects)
- [Contact](https://erenaral.com/#contact)

## References

- [ISO 9001 — Quality Management Systems](https://www.iso.org/iso-9001-quality-management.html)
- [ASME Y14.5 — Dimensioning and Tolerancing, 2018](https://www.asme.org/codes-standards/find-codes-standards/y14-5-dimensioning-tolerancing)
- [CATIA V5 — Dassault Systèmes](https://www.3ds.com/products/catia)
- [ANSYS Mechanical](https://www.ansys.com/products/structures/ansys-mechanical)
- [LS-Dyna](https://lsdyna.ansys.com/)
- [Zeiss T-Scan Hawk 2](https://www.zeiss.com/metrology/products/systems/optical-and-multisensor-systems/t-scan-hawk-2.html)
- [Hacettepe University](https://www.hacettepe.edu.tr/)
- [McKinsey Operations Practice](https://www.mckinsey.com/capabilities/operations/our-insights)

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