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LATEST NEWS

24th September 2018
64-bit RheoPower 5.0 analyses still more accurate thanks to developments. Easy to deploy databases. Read more >>

16th April 2017
Tommi Borg visits for your meetings at Chinaplas May 16-19, 2017 - Guangzhou, PR China.

24th November 2015
New published paper "Linear viscoelastic model for different flows based on control theory", Appl. Rheol. Read more >>

7th November 2014
RheoPower 4.3 is also available as true 64-bit for heavy computations. Read more >>

20th August 2014
Tommi Borg gives an oral presentation at The International Conference on Polyolefin Characterization (ICPC) September 21-24, 2014 - Valencia, Spain. >>

RheoPower and DataPower Software Packages

Some benefits and fetures by new standpoint.

New Standpoint

Finally something fundamental new in rheology after 140 years use of the Maxwell model and ”dogmatic” principles copied from dielectric phenomenon: Control Theory is the kernel of this Polymer Technology Web, the background was published recently at high valuated and prestigious scientific journals.

We applied control theory to model the linear relationship between the relaxation modulus, dynamic and shear viscosity, transient flow effects and CAD/CAE/CFD simulations all related directly Rheologically Effective Distribution (RED) and further to the Molecular Weight Distribution (MWD). Between RED and flow properties is not used any artifical factors.

Moreover Power law, Cox-Merz rule, time–temperature superposition (TTS) and orientation level are explained by direct simple relation to molecular dynamics using structural models comprising dumb-bells in a statistical tube.

New version of the classical Boltzmann superposition principle explains a novel way and sums all shear histories based on the chain orientation state.

Our presented principle with tight scientific and well approved mathematical background is free of earlier limitations and useable for different type flows and states of heterogeneous things and materials.

Software Packages

  • You can use these same features, as we have coded software packages for your work as follows:

  • RheoPower rheology software family:

    • RheoAnalyzer detects MWD (Molecular Weight Distribution) and models simultaneously many other viscoelastic flow curves from viscoelastic measurements.
    • RheoDeveloper is for modelling and simulating MWD by giving many other different type viscoelastic flow curves.
fig

The red measured viscosity function and yellow marked range in use. The blue fit viscosity function has a wider range. Also on right is shown the computation results as MWD and data label of polymer. Click on the figure to zoom it.

  • DataPower software family for CAD/CAE/CFD simulation business:

    • RheoFlow is for simulating simple flows.
    • DataPower Server gives continuous viscoelastic data via TCP/IP protocol to the simulating CAD/CAM/CAE software Clients.

Some Benefits of RheoPower

  • New benefits to your work by the program:
    • The fastest way to analyse viscoelastic material.
    • Accelerates your polymer material development and helps design of polymerization, extrusion and injection moulding processes.
    • Repeatable results for a sample are computed in a minute.
    • MWD analyses and accurate wide viscoelastic fits are generated as different type viscosities, G' and G'' moduli, relaxation modulus and transient effects difficult or even impossible to measure.
    • Impressive charts of results.
  • These advantages give you many benefits at low cost not even possible to get before.

Some Features of RheoPower

  • The RheoPower software family developed for material analyses and recearch.
    • Molecular Weight Distribution (MWD) and specially Rheologically Effective Distribution (RED) is computed directly from viscoelastic measurements.
    • Imported viscosity data can be as a function of frequency, shear rate and other variables.
    • Wide accurate fits also for other viscoelastic properties as transition, relaxation modulus and spectrum.
    • Computation principles are proofed by Control Theory.
    • The best proof of the published principle is the computation results.
    • Package is for design polymerization, extrusion, injection and other processes.
    • As a general principle software is already used for many heterogeneous materials as cellulose pulp, blood and even soil.
    • Used main polymer structure function P relates directly to the chain orientation level.
    • Analytical and more practical characteristic models give flexibility.
  • These features motivate cost-savings, control, and efficiency of your work.
  • Principles of software procedures and background:
    • Shortly theoretical background of all our software products.
    • Published peer reviewed Research papers and orally presented at international conferences.
    • Extrusion design and historical review.
On the other pages you find demonstration and training flash videos and instructions for software packages.

Demos, Trials and Quotations

We suggest to Test fully working Demo version and quote some free test analyses for demonstrating the capabilities of software for your data measured according to instructions.

You can also request a free trial edition of fully functional for 30 days RheoPower software package.

Summarized

The new principle based on Control Theory gives much higher accuracy between deformations and properties as newer earlier. Thus this ultra-correlation looks unbelievable, so that please study other pages and theory papers to evaluate yourself the case and reasons for our success.

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