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The user interface of RITA 4.0 is simple and intuitive to operate.
The user interface of RITA 4.0 is simple and intuitive to operate.
Photo: 12

With RITA 4.0, Röchling Engineering Plastics SE & Co. KG is now offering a new, updated version of its tank calculation software.

The program, "RITA 4.0 – Röchling's Integrated Tank building Assistant", which has been tested by TÜV Nord, calculates free standing, pressureless circular and rectangular tanks under consideration of the current DVS-standards.

One of the major changes of RITA 4.0 is the optimized calculation of rectangular tanks with all-around and yoke reinforcement. This process uses an entirely new analytical calculation method: Röchling has developed a new formula apparatus based on numerous calculations with the help of the Finite Element Method (FEM).

Thomas Schüer, Marketing & Development at Röchling, explained, "The newly developed formulas help builders to design their tanks in a more economical way, in particular because the new calculations allow for significantly smaller steel profiles."

Rectangular tank planning has also been simplified by the new option of specifying the minimum wall thickness for specific types of tanks in the program. RITA 4.0 calculates the necessary steelwork for a given wall thickness. At the same time, users can use the new steel profile management tool to store individual profiles in the system and incorporate them into the calculation.

"These functions help tank builders to plan rectangular tanks in a way that is more flexible and tailored to individual needs," said Schüer.

For the calculation of round tanks, RITA 4.0 takes into account current changes to guideline DVS 2205. These include the current safety concept, calculation of the static load of a platform in roof superstructures and an optimized nozzle calculation that users can use to incorporate the wall thickness of the nozzle tube into the calculation in RITA 4.0.

For the first time, interactive wind and snow load maps are available in RITA 4.0 especially for the planning and design of outdoor tanks. On a map, users select the planned location of the tank and the corresponding wind and snow loads are factored into the calculation. Maps are available for numerous European countries, including Germany, France, the Netherlands and the Czech Republic.

Additional innovations in RITA 4.0 include a miner tool for calculating the average temperature in a tank, an expansion of the material database and optimization of static printouts.

"We want to make the calculation of thermoplastic round and rectangular tanks as easy as possible for our users," said Schüer of the new functions. "We offer our users standard free technical service via the team viewer. We do not charge maintenance fees. We are also happy to provide training sessions via webinars on request."

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