Engineering
Design Center

49+
Engineering
design courses
1,900
Engineering design
graduates
36+
Engineering
design-focused
student groups
200+
2024 Design
Day projects

Save the Date! Design Day 2025 is on April 29.

Save the Date! Design Day 2025 is on April 29.

Integrating Python based Optimization Algorithms with Aspen Plus

Optimizing chemical processes is crucial to maximize yield, minimize environmental impact, and ensure cost-effective operations. Aspen Plus is the reigning process simulation software used throughout industry to design chemical process plants. However, finding the input parameters that result in the optimal outputs is challenging even for Aspen’s native optimization techniques, which struggles with complex, multi-objective problems.

To address this, we integrate Python-based algorithms like NSGA-II (for multi-objective optimization) and Bayesian Optimization (for efficient exploration of design spaces) to automate variable adjustments, run simulations, and retrieve results. Using these algorithms, we reduced the heat duty of a pressure swing system by 60,229 kcal/hour compared to previous work. At scale, this would represent a substantial amount of energy saved.

Our work has implications for simulation software beyond Aspen Plus and in other fields such as electrical and mechanical engineering by providing a framework for integration with optimization techniques in Python.

Development of a Sutureless Mitral Valve

Current prosthetic replacements for mitral valves require extensive suturing that costs valuable time during open heart surgery, especially in cases of Mitral Annular Calcification (MAC), where the tissue is stiff and difficult to suture. To reduce the risks associated with prolonged operative duration, we aim to design a sutureless mitral valve prosthesis that can be deployed quickly and conforms to the irregular, elliptical profile of a calcified mitral valve.

Our design incorporates the Shape Memory Alloy Nitinol and common biomaterials to create a self-expanding deployment mechanism. Additionally, we have created testing models that mimic the shape and texture of calcified mitral annuli.

ASTRA: Advanced Surgical Tool Retrieval Arm Optimizing the Surgical Instrument Workflow

Staffing shortages have cost hospitals $24 billion since the COVID-19 pandemic, with the healthcare industry facing a projected 3.2 million worker deficit by 2026. Operating rooms require a full surgical team, and personnel shortages have led to increased delays and cancellations, compromising patient outcomes. These shortages also contribute to clinician burnout, decreased efficiency, and financial strain on hospitals. For patients, especially in under-resourced areas, delays mean longer wait times, worsened prognoses for time-sensitive conditions, and limited access to quality care. For clinicians, fewer surgeries performed translate to reduced revenue and fewer patients served. Addressing this gap is critical to prevent overworking remaining staff, ensure timely care, and support sustainable operations. The Advanced Surgical Tool Retrieval Arm (ASTRA) robot offers a timely solution by optimizing intraoperative workflows and managing surgical instrumentation. ASTRA reduces the need for human hands in repetitive tasks, enabling surgeries to proceed without unnecessary delays and improving overall outcomes.

Taliyah

Biomedical Engineering

It is wonderful to watch students from different departments work together to support better engineering design opportunities at Hopkins.

To identify what can satisfy students from every engineering perspective has been both challenging and rewarding, as I’ve learned leading the multidisciplinary student advisory board for the Design Center.

Kareem

Computer Engineering

The First Year Seminar Design CornerStone helped me get exposed to a wide range of engineering disciplines and introduced me to all the makerspace and departments opportunities at Hopkins!

I am excited to take advantage of all the resources available to strengthen my engineering skills.

Alexander

Materials Science and Engineering

Being granted the opportunity to lead a design team has offered me the skillset necessary to apply both engineering and leadership skills in a collaborative environment. I look forward to utilizing these experiences in the medical device space!

 
First-year mechanical engineers’ minicars battle it out on racetrack
Author: Jonathan Deutschman  Photos: Will Kirk The classic paradox asks: What happens…
 
DnATA
Team Members: Julian Chow, Resham Talwar, Varen Talwar Department: Chemical and Biomolecular…