Johnston Engineering, PLLC

Generates 3D CAD models, component designs, and complete assembly engineering to transform concepts into functional products.

• 3D CAD Modeling

  Creation of detailed 3D models using SolidWorks design software.

• Component Design

  Detailed design of individual components optimized for performance, cost, and function.

• Assembly & System Design

  Engineering of complex mechanical systems incorporating multiple subsystems and components.

• Concept Development

  Ideation, feasibility studies, and initial sketch-to-design formatting.

• Design for Manufacturability and Assembly

  Optimizing design configurations to reduce production costs, part counts, and assembly steps.

• Material Selection

  Research and selection of standard and exotic materials to satisfy operating conditions.

Evaluates performance under diverse structural, thermal, and fluid environments using physics-based virtual testing.

• Finite Element Analysis (FEA)

  Structural and thermal simulations using ANSYS to identify high-stress and critical temperature zones.

• Computational Fluid Dynamics (CFD)

  Analysis of fluid flow, velocity distribution, heat transfer, and pressure drop.

• Structural Analysis

  Validation of welded structures, machined components, and assemblies against physical loads.

• Pressure Drop Analysis

  Fluid behavior modeling in pumps, turbines, and complex piping networks.

Designs and validates systems to regulate temperatures and dissipate heat in high-performance electronics and machinery.

• Electronics Cooling & Packaging

  Simulation of component temperatures under varying thermal loads and environmental conditions.

• Cold Plate Design

  Development of high-performance single-phase and two-phase microchannel and mesochannel cold plates.

• Heat Exchanger Design

  Engineering of single and two-phase heat exchangers, condensers, and evaporators.

• Thermal Stress Analysis

  Modeling thermal expansion loads to prevent structural failures in materials.

• Transient Analysis

  Calculating dynamic, time-varying thermal and fluid changes.

Creates physical prototypes and implements testing procedures to validate designs prior to production.

• Custom Part Design & Fabrication

  Designing and building custom parts, fixtures, and assemblies for specialized devices.

• Product Testing & Validation

  Employing advanced instruments to conduct device verification and performance characterization.

Provides end-to-end program management and on-demand capacity to support schedule-critical developments.

• Turnkey Project Management

  Full lifecycle oversight of multidisciplinary programs, coordinating with electrical, software, and fabrication partners.

• Engineering Contracting

  Flexible staff extension providing immediate access to mechanical and thermal engineering experts.

• Research Commercialization

  Transitioning laboratory research and pilot designs into real-world industrial products.