On Demand Thermal, Vibration & Digital Twin Custom Software
Custom simulation platforms and digital twin systems for thermal processes, vibration analysis, and structural engineering — built by engineers who know the physics.
What We Build
Engineering software grounded in real physics.
Simulation & Physics Engines
Digital Platforms & Digital Twins
Custom Engineering Software
Main Portfolio
Selected Projects

FDSynth
Fatigue-damage-based synthesis of shaker-ready PSD profiles from field vibration data.
Aluminum Coil Annealing Forecast
Analytical and numerical model predicting transient temperature profiles to optimize industrial energy consumption.
Digital Twin Platform
Real-time monitoring and simulation platform for industrial assets, tracking critical metrics like stress, temperature, vibration, and system health.
SigProc
Advanced structural signal processing software for analyzing vibrations, detecting damage, and performing modal analysis in real-time.
Our Software Stack
Simulation and CFD
Physics-based simulation and CFD workflows for thermal and flow analysis.
Data and Scientific Computing
Numerical computing and data processing for engineering-scale datasets.
Visualization and Dashboards
Interactive plots and dashboards for decision-ready engineering insight.
Application and SaaS Layer
Production-grade web apps that turn simulation engines into usable tools.
Data Infrastructure
Messaging, storage, orchestration, and pipelines for measurement and simulation data.
Security and Reliability
Authentication, auditability, and deployment foundations for production systems.
What We Simulate
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.
Predictive Maintenance & Structural Health Monitoring
Real-time sensor data integration with physics-based models for predictive maintenance, damage detection, and what-if scenario analysis on live industrial assets.
Simulation domains can be combined into multi-physics and custom workflows.
Frequently Asked Questions
More questions? Get in touch.
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.
Brenick Resende
Simulation & Mechanical Systems
Carlos Saunders
Thermal & Digital Twin Specialist
Let's Build Your Engineering Tool
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