Pillar 1
Simulation and Physics Engines
Physics-based simulation engines focused on accuracy, performance, and extensibility.
Heat Transfer and Thermal Systems
FEA and Structural Toolkits
Additive manufacturing, annealing processes, energy systems.
Engineering Software That Fits Your Reality
From thermal, structural, and vibration analysis to AI-assisted models and engineering workflows, you get custom software that adapts to how your engineering actually works
What We Build
Physics-based engineering software and digital platforms designed for real industrial and research systems.
Pillar 2
Digital Platforms and Digital Twins
Digital platforms that combine simulation models, data, and user workflows.
Digital Twin Development
Simulation on Demand
Asset monitoring, predictive analysis, decision support.
Pillar 3
Custom Engineering Software and Optimization
Tailor-made engineering software built around specific industrial processes.
Custom Engineering Software
Process Optimization
Production optimization, energy reduction, process automation.
Selected Projects
A glimpse into our applied engineering software.
Engineering Web Tools
Browser-based thermal engineering calculators for heat exchanger design, transient analysis, insulation optimization, and more.
Web ToolsThermal AnalysisHeat Transfer
Aluminum Coil Annealing Forecast
Analytical and numerical model predicting transient temperature profiles to optimize industrial energy consumption.
Heat TransferProcess OptimizationEnergy Efficiency
Digital Twin Platform
Real-time monitoring and simulation platform for industrial assets, tracking critical metrics like stress, temperature, vibration, and system health.
Digital TwinReal-time MonitoringPredictive Analytics
SigProc
Advanced structural signal processing software for analyzing vibrations, detecting damage, and performing modal analysis in real-time.
Signal ProcessingStructural AnalysisReal-time Monitoring
Our Software Stack
Modern technologies that power our engineering simulations and SaaS platforms.
We build software on a foundation of proven technologies — from Python-based simulation engines to React-powered SaaS dashboards.
Simulation and CFD
Physics-based simulation and CFD workflows for thermal and flow analysis.
OpenFOAMPythonC++
OpenFOAMPythonC++
Data and Scientific Computing
Numerical computing and data processing for engineering-scale datasets.
NumPyPandasPython
NumPyPandasPython
Visualization and Dashboards
Interactive plots and dashboards for decision-ready engineering insight.
PlotlyStreamlitReact
PlotlyStreamlitReact
Application and SaaS Layer
Production-grade web apps that turn simulation engines into usable tools.
Next.jsTypeScript
Next.jsTypeScript
Data Infrastructure
Messaging, storage, orchestration, and pipelines for measurement and simulation data.
PostgreSQLSupabase
PostgreSQLSupabase
Security and Reliability
Authentication, auditability, and deployment foundations for production systems.
GitGitHub ActionsAmazon Web ServicesVercel
GitGitHub ActionsAmazon Web ServicesVercel
We combine open-source flexibility with enterprise-grade scalability.
Simulation Domains
What We Simulate
A structured catalog of simulation domains that engineers rely on for rigorous insights across thermal, fluid, mechanical, and multi-physics challenges.
Thermal Analysis
Heat transfer, transient and steady-state temperature fields, and thermal stress evaluation.
Computational Fluid Dynamics
Flow field analysis, pressure distribution, and coupled fluid–structure interaction.
Fatigue Analysis
Life prediction, crack initiation and propagation, and cyclic loading assessment.
Signal Processing
Structural signal analysis for vibration, fatigue, and durability evaluation.
Structural Mechanics
Stress analysis, deformation, stability, and mechanical integrity assessment.
Topological Optimization
Material distribution optimization for lightweight and efficient structural design.
Simulation domains can be combined into multi-physics and custom workflows.
About On Demand Engineering
Founded by engineers Brenick Resende and Carlos Saunders, On Demand Engineering specializes in developing high-fidelity engineering software tailored for complex industrial and research challenges.
We build simulation platforms, digital twins, and analytical tools that empower engineers to move faster—from concept validation to production optimization. Our solutions bridge the gap between theoretical models and real-world performance, delivering measurable results without the overhead of enterprise software suites.
Whether you need a custom FEA module, a thermal process simulator, or a data-driven digital twin, we deliver engineering-grade software designed by engineers, for engineers.
BR
Brenick Resende
Simulation & Mechanical Systems
CS
Carlos Saunders
Thermal & Digital Twin Specialist
Let's Build Your Engineering Tool
Get in touch to discuss your project requirements
Send us a Message
We'll respond within 24 hours
Schedule a Meeting
Book a consultation call
contact.scheduleMeeting.loadPrompt
contact.scheduleMeeting.loadHint contact.scheduleMeeting.openLink