Using the Most of CFD Analysis by Efficient Cooperation with BIM - SHINRYO CORPORATION
Shinryo Corporation is the World's leading company in the design and installation of air-conditioning systems for residential and commercial buildings. They have long provided local heating and cooling systems for entire cities, and therefore their product quality is much highly regarded. Shinryo Corporation’s goal is to understand mutual sustainability for both human lives and also the environment by applying advances in environmental engineering technology.
Shinryo Corporation’s three decades of expertise using 3D-CAD is one of the allowers that has improved the company constantly offer affordable cost and high-quality services. They developed their own BIM compatible software, S-CAD, depending on the basic programming of Syspro’s 3D-CAD software, DesignDraft, which is often utilized by architects and building engineer. S-CAD allows engineers to perform multiple tasks at once, for example, check models in 3D, simulate structure construction, perform pipe interference simulation checks, calculate static pressure load along with lifting height, and assume quantity surveying. They are now building a 3D laser scanner that generates 3D models of existing facilities.
Mr. Ken Fukada from Shinryo Corporation, a researcher from the CFD Solution Group under the R & D Center, explains that the corporate began to utilize S-CAD a decade ago. Mr. Fukada himself has been working closely with CFD applications since he started his career with the company. Shinryo Corporation has created education schemes for S-CAD, which is now at the main center of their operations; new staff members attend on-site training for his or her first six months where they begin to get familiar with S-CAD and the basics of facility design. The corporate also offers continuous training opportunities as an encouragement for employees to improve their engineering skills and knowledge.
Customizing CFD to Streamline Tasks
Shinryo Corporation states that scSTREAM is a user-friendly fluid-thermal software, as they have been utilizing it for more than two decades across their countrywide branches, simultaneously offering the absolute computing environment and hardware for their staffs to effectively calculate their analysis.
In 2008, they annnouced an establishment for their CFD Promotion Center to assist more support for analysis projects, followed by a newly installed HPC server in their Research & Development Center in 2010. This allowed their engineers to bring out analysis from other location bases by requesting licenses through their own network. Mr. Fukada’s division, the CFD Solution Group within the the R&D Center, complements that the efforts with their work programming new software and developing expertize addressing more complicated analyses.
The advancement of S-Pre began five years ago, when Mr. Fukada joined the company. Engineers had submitted response that importing 3D-CAD data instantly to scSTREAM would give significant benefits. This guided to the growth of the add-in function to allow the model data transfer. Earlier, engineers had to re-model each time they performed an analysis by utilizing scSTREAM.
5 Optimizing Functions for Efficient CFD Analysis
A secondary function assists as a part manager that can follow and along with organize the design data for each part, such as development structure, tubing and pipeline. Designs are generated by a number of engineers concurrently developing on each section, and are later combined each other. Earlier the engineers were required to re-create models for scSTREAM and withdraw the design information. However, with S-Pre only the required design parts can be simply duplicate to create a new scheme for the CFD analysis.
The third function is the specialized user interface for CFD analysis of the development facilities. The user interface was custom-made to represent only the analysis conditions needed for designing development facilities, which improved the maneuverability. In other general BIM software, engineers can only seta restricted number of input conditions, such as material properties and the total value of heat produced near the air supply. With S-Pre, engineers can set more data, such as wind speed, air temperature, heat-conducting coefficients, heat source properties, and drag coefficients. The setting window for these conditions can be monitored by selecting each part in CAD information, without turning on CFD analysis software.
The fourth function is a conversion feature to simplify parts and assemblies. One example where this feature is useful is for the air discharge, a part that is complicated to represent accurately. Simplification of its geometrical figure and the enveloping objects improves the calculation balance and reduces the number of mesh elements needed.
The fifth function is automated mesh generation, which allows all engineers to create high attribute, persistent meshes. Shinryo Corporation is consistently improving this feature to generate high quality meshes while keeping adequate mesh resolution.
Encouraging All Engineers to Explore New Ideas
Easier and More Accurate CFD Analysis
They are also planning to build a library of air characteristics in cooperation with the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan. This will permit their engineers to efficiently execute analysis and share the obtained understanding with others.
Until lately, Shinryo Corporation has concentrated on enhancing the input information for analysis. In the future they also desire to enhance the result by allowing their engineers to check analysis results by using S-CAD. At present the output results can just be monitored in scSTREAM. Mr. Fukada considers this will be a dispute as it implies cooperation with S-CAD. But he is persuaded that once the engineers can directly monitor output results in S-CAD, it will be simpler for them to change the air-conditioner from summer to winter feature, and examine the complete tasks on S-CAD.
Mr. Fukada is eager on making sure the precision of the analysis results. This will demand improvement of the corporate's engineers’ personal expertise. Shinryo Corporation today states one-on-one analysis education, but they are worried about keeping high quality training when they have more engineers. Mr. Fukada says this will have to be provided more consideration in the future.
For now, CFD analysis is mainly conducted by engineers, but in-house response implies that the building staffs may desire to establish analysis skills since designs can be changed on site. This abilities could be understood if there is adequate network bandwidth that allows quick download of the analysis results, says Mr. Fukada.
Shinryo Corporation has created great progress applying IT analysis tools within their design process, and they remain to investigate new applications. In today’s business where minimizing building energy usage is a key problem, they have accomplished great contributions by utilizing scSTREAM to assist them design more effective air-conditioners.