Simulation-driven product development and technical calculations

When products are to be used in demanding environments, we use advanced simulations and technical calculations to make better design choices during the development process. Our engineers are specialists in calculations using CFD and FEM, and work closely with design and development teams to solve structural, thermal and flow-related issues. 

Video → Simulations can be used throughout the entire development cycle of a product. From the very beginning, they can help choose the right concept, as well as be used to support various design choices. It is especially useful to be able to make rapid iterations without having to produce prototypes and perform physical tests. For solids, we use the finite element method (FEM), and for liquids, we use computational fluid dynamics (CFD).
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Why do we use simulations in our product development?

At Inventas, simulation and calculations are tightly integrated into the product development process. With simulation-driven product development, we do frequent iterative simulations throughout the development process to adapt changes quickly. This means we can simulate, improve, and simulate again.

Simulations can be used throughout the entire development process of a product. From choosing the right concept and supporting design choices at the beginning, to simulating various details in the construction, verifying assumptions and using the simulations as decision support for production.

Particularly useful is the ability to simulate rapid iterations without having to produce expensive prototypes or perform physical tests. Simulation-driven development is simply a "fail fast" method, where you can quickly identify and correct any weaknesses in the product.

Inventas performs calculations in two main areas:

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Structural calculations

FEM (Finite Element Method) is a way to calculate stresses in the structure of all the materials we use in products, from plastics to titanium. This also applies to advanced materials such as rubber, glass, polymers, composites and laminates, as well as contact calculations and vibrations. Such simulations tell us how hard a material can be stretched or compressed before it changes shape or breaks. Our experts understand the underlying physics and equations behind it.

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Numerical flow calculations

CFD (Computational Fluid Dynamics) is a combination of engineering mathematics and fluid dynamics that enables calculations of complex technical problems. Air, liquid, and heat transport are not always intuitive to reason about, and therefore powerful simulation tools are often invaluable in the development phase of products. Our method and working methodology allow us to simulate many load cases and geometry proposals so that we can quickly suggest design improvements.

Typical problems we solve with simulation

Simulation-driven design

  • Early phase evaluation of concepts (feasibility study and cost estimate).

  • Hand calculations and design calculators for quick concept evaluation.

  • Iterative design calculations.

  • Topology optimization that allows us to generate lightweight but rigid designs.

Capacity calculations

  • "Limit state" calculations of steel and aluminum structures. 

  • Breaking load in cast iron, polymer and composite materials, as well as bolt calculations and weld examination. 

  • Functional calculations to test serviceability (deformations) or buckling. 

  • Approval against various standards such as DNV, Eurocode, Norsok and ASME. 

Shock and vibration analyses

  • Meet test requirements ("Digital shaking table").

  • Design of vibration-exposed components.

  • Choosing the right solution for damping and insulation.

  • Assess shock resistance in critical components. 

  • Ensure service life under harsh operating environments. 

Thermal calculations

  • Evaluating heat sink designs or monitoring component temperatures. 

  • Identify and improve thermal bottlenecks or avoid derating of electronics. 

  • Optimize ventilation solutions and internal layout. 

  • Topology optimization that allows us to generate lightweight but rigid designs. 

CFD simulation of aquaculture

  • Internal cage flow rates or water circulation solutions and thruster selection/placement. 

  • Pump selection for main and auxiliary systems, or interaction between waves and cages. 

  • Inlet and outlet flows. Evaluate valves and pressure drops, as well as optimize feed distribution in the fish cage. 

Nonlinear simulations

  • Structures that are subjected to large deformations or plastic deformation where redundancy or ultimate limit state is important. 

  • The structure is subjected to transient loads such as crashes, slamming, drop tests or cyclic loading. 

  • Contact between different parts forms part of the truck. 

  • Temperature effects on material or thermal expansion play a role. 

Our customers

Inventas has performed a number of simulations for customers and has extensive experience in various industries and types of calculations:

Flow in fish pen. Inventas has extensive experience in developing products that will live in demanding environments. One of the industries we have worked with the most is the ocean industry, all from fish farming to subsea. We joined forces in a partnership with OceanTech where Inventas contributes with cutting-edge expertise in simulations, analytics and strength calculations. Together we work to solve challenges in what is called the splash zone, the area on an offshore installation that is directly above and directly below the waterline, where waves constantly hit the structure.

 
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Dynamic calculations in Sperre's X-Range, a series of starting air compressors for marine engines. We performed fatigue calculations and strength calculations to simulate the design to minimize vibration. Read more about the project here.

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Thermal calculations on EV chargers. Using CFD simulations, we can model heat transfer in electronic products to map convection, conduction, and radiation. When we understand how heat flows through a device, we can optimize cooling solutions and thus avoid overheating.

Bjørøya Fleximerd - åpen merd som kan lukkes ved behov

Calculations and CFD simulation of a variety of fish pens and aquaculture systems. Velocity of water flows in the fish pen and how this affects waste materials and fish welfare. This gives the customer a basis for making better informed decisions, thereby contributing to a more sustainable and profitable business.

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Capacity calculations on A-frame cranes for Palfinger Marine. We performed calculations to verify the construction with regard to fatigue and worst case load. This allowed us to identify vulnerable areas that should be reinforced. As well as verify the design against the criteria in the design standard before it was put into production. Read more about the project here.

Vibration analysis of the Cicada medical device, an ultrasonic surgical scalpel that utilizes high-frequency vibrations to cut biological tissue. Through simulation, we were able to fine-tune the design and analyze how different design changes affected the vibration patterns. This allowed them to ensure that the cutting head achieved optimal stability and functionality. 

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Flow analysis and light simulations on Autronica's latest fire detectors. Here, we started by investigating how smoke and heat move in different environments in order to detect fire as early as possible, regardless of where it occurs. By using advanced models to simulate how both visible and infrared light interact with smoke particles, we were able to develop more sensitive detection methods. Read more about the project here.

Structural and fluid simulations for Spilka, which developed the Fixade facade system to compare wind loads against industry standards. Various simulation techniques have revolutionized the way products are developed. In the construction industry, structural simulations have long been an integral part of the design process. It is usually required and regulated through building codes. Read more about the project here.

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Structural calculations for structures that will live in critical environments, such as floating fish pens or pools in the sea. There is often a need to verify that the structure can withstand the harshest ocean conditions.

When should you use external simulation expertise?

The right simulation expertise can be crucial to the success of your product. It is particularly relevant to engage an external partner when you need specialized analyses without building up expertise internally, or when you do not have the capacity or expertise internally for certain calculations and simulations.

At Inventas, simulation engineers work closely with other disciplines internally, especially mechanics, electronics development, industrial design and robotics. Our goal is to provide you with the right analyses at the right time in the development process. Simulations and calculations can be carried out throughout the development process. Whether it is to reduce costs, save time or to give you unique insight into certain operations. Contact us to map out your needs.

Overview of all calculation and simulations areas:

For solids we use the finite element method (FEM), and for liquids we use computational fluid dynamics (CFD).

Simulation-driven design

Simulations can be used throughout the development of a product. Right from the start, they can help choose the right concept, and can be used to support various design choices. It is especially useful to be able to make rapid iterations without having to produce prototypes and perform physical tests.

We can help you with, among other things:

  • Early-phase evaluation of concepts (feasibility study and cost estimate).

  • Hand calculations and design calculators for rapid evaluation of concepts.

  • Iterative design calculations.

  • Topology optimization that allows us to generate lightweight but rigid designs.

Simuleringsdrevet-design-1-1

 

Capacity calculations

A detailed design has sufficient strength in relation to the criteria in a design standard. We perform analyses to verify the design before it is put into production or to reveal vulnerable areas that should be reinforced.

We can help you with, among other things:

  • Limit state calculations of steel and aluminum structures

  • Breaching load in cast iron, polymer and composite materials

  • Functional calculations

  • Service condition (deformations)

  • Buckling

  • Bolt calculation

  • Welding investigation

We often work with approval against various standards such as DNV, Eurocode, Norsok and ASME.

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Shock and vibration analyses

For many products, shock and vibration loads are critical. Typical test requirements can be precisely recreated with modal dynamics simulations. These simulations allow us to evaluate whether the design is sufficient already in the early stages. This is important because it is often very difficult to solve challenges with vibrations later in the development process. Vibration calculations and are also relevant in, among other things, the design of ultrasonic equipment and the assessment of fatigue.

We can help you with, among other things:

  • Meet test requirements ("Digital shake table")

  • Design of components exposed to vibration

  • Choosing the right solution for damping and isolation

  • Assessing shock resistance in critical components

  • Ensuring service life under harsh operating environments

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Advanced Materials

Design of load-bearing components from atypical materials. The use of metals, especially steel, is well-known in the design of structures and is therefore well supported by standards, while relevant material data is often available. The use of other materials can present challenges, especially in the design of load-bearing components where mechanical properties are important.

In addition to metals, we have experience with structures made of materials such as:

  • Composites/laminates

  • Plastics

  • Rubber

  • Glass

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Nonlinear simulations

Most structures are expected to deform and be damaged little during use. In such cases, linear analyses are typically sufficient and most effective. We also have expertise in the use of nonlinear simulations, which are essential for investigating more complex issues such as:

  • Structures that are subjected to large deformations or plastic deformation where redundancy or ultimate limit state is important

  • The structure is subjected to transient loads such as crashes, slamming, drop tests or cyclic loading

  • Contact between different parts forms part of the load

  • Temperature effects on the material or thermal expansion play a role

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Thermal calculations

CFD simulations can model heat transfer in a product due to convection, conduction, and radiation. By understanding how heat flows through a device, we can optimize cooling solutions and thus avoid overheating. Thermal calculations are often used in the following ways:

  • Evaluating heat sink designs

  • Component temperature monitoring

  • Identify and improve thermal bottlenecks

  • Selection and placement of fan/filter

  • Optimize ventilation solutions and internal layout

  • Avoid derating electronics

  • Flow of water and oil in cooling blocks

     

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Aquaculture

CFD simulation of aquaculture systems provides the aquaculture industry with a basis for making better informed decisions, thereby contributing to a more sustainable and profitable business. More specifically, CFD can assist in a better understanding of the following:

  • Internal flow rates in the fish pen

  • Solutions for water circulation and thruster selection/placement

  • Pump selection for main and auxiliary systems

  • Interaction between waves and fish pen

  • Inlet and outlet flows. Evaluate valves and pressure drops

  • Optimizing feed distribution in the fish pen

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Pipe flow

Piping system designs can be investigated and optimized using CFD simulations. At Inventas, we help our customers understand the following by simulating flow through intricate piping networks:

  • Pressure loss through the piping system

  • Flow distribution along parallel paths 

  • Temperature and cooling of fluids through heat exchangers and cooling blocks

  • Two-phase flow (e.g. steam in vapor/liquid form)

  • Selection of pump or pipe diameter

  • Optimize piping design to relieve or downsize pumps

  • Identify areas of turbulence, cavitation or "dead zones"

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Water treatment plant

CFD can help optimize the design and operation of treatment processes in the water treatment industry. Inventas simulates fluid flow and particle transport within treatment plants, delivering valuable insights into:

  • Surface flow velocity and other critical areas of interest 

  • Optimize pollution removal 

  • Improve treatment efficiency

  • Optimizing dosing strategies

  • Minimize waste production

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Digital twins

A digital twin is much more than a 3D model. It is a virtual representation or simulation of its physical counterpart, with which it can communicate. Digital twins can be used to monitor, analyze, and improve product performance throughout its lifecycle. 

By integrating real-time data collected from sensors on the physical product, digital twins enable a continuous feedback loop between the virtual and physical worlds, opening up opportunities such as predictive maintenance and performance optimization, which can predict failures before they occur.

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Watch the webinar " Digital twin - from hype to must-have? " or read the article about why everyone needs a digital twin to learn more about digital twins.

Want to ensure an efficient and secure design?

With us you will find the country's best environment for advanced simulations and analyses. We hire consultants or include simulation in product development. Fill out the form and contact us to arrange the details.