Dragon Flight, X-Train Flying Launch Coaster in Ningbo, China
Customer Project
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Representation of Design Ratio for Fatigue Design According to GB 50017 (1 kN = 1%) on 3D Model Displayed in RSTAB (© Maurer Söhne)
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RSTAB model of a roller coaster (C) www.maurer.eu
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Dragon Flight Roller Coaster in Ningbo, China
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Roller coaster Dragon Flight in Ningbo, China
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Dlubal Software for Structural Analysis and Design of Aluminum Structures
In many industrial sectors, China is the future market. This is also the case for the entertainment field, in which the German company Maurer Söhne works.The roller coaster Dragon Flight is being built for Romon U‑Park, an urban theme park in Ningbo. It is the first X‑Train Flying Launch Coaster designed by Maurer Söhne.
| Structural Engineering |
Structural Design and Fabrication Maurer Söhne GmbH & Co.KG, Munich, Germany www.maurer.eu |
| Investor |
Romon U-Park Ningbo, China |
Model
The roller coaster has a length of 1,653.5 ft. Its seven roller coaster elements include three inversions. The X‑train has a capacity of 20 passengers. With top speeds of 56 mph, the train reaches up to 4.5 g (g‑force) several times.
Structural System
The base area is 370.7 ft × 167.3 ft. At the highest point of the coaster ride, which is called the top hat, a vertex height of approximately 98 ft is reached. The overall structure consists of a tubular structure with 6,201 members and 86 cross‑sections.
Structural Analysis
The rail structure was calculated in RSTAB. Both model and wheel loads were directly imported from the dynamic simulation using RS‑COM.
The analysis was performed according to Chinese and European standards. The analysis included ultimate limit state design and fatigue design.
The German engineers accessed the RSTAB results by using RS‑COM again for the fatigue designs. Then, the design according to EN 1993‑1‑9 and GB 50017 was carried out with post-processing programs.
RS-COM was used again to return the results of the post-processing programs to RSTAB in order to represent the results graphically on the rendering of the entire model.
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Consideration of Construction Stages in RFEM 6
The calculation of complex structures by means of finite element analysis software is generally performed on the entire model. However, the construction of such structures is a process carried out in multiple stages where the final state of the building is achieved by combining the separate structural parts. To avoid errors in the calculation of overall models, the influence of the construction process must be considered. In RFEM 6, this is possible by using the Construction Stages Analysis (CSA) add-on.
New
Compared to the RF-/STEEL EC3 add-on module (RFEM 5/RSTAB 8), the following new features have been added to the Steel Design add-on for RFEM 6 / RSTAB 9:
- In addition to Eurocode 3, other international standards are integrated (e.g. AISC 360, CSA S16, GB 50017, SP 16.13330)
- Consideration of hot-dip galvanizing (DASt guideline 027) in the fire protection design according to EN 1993-1-2
- Input option for transverse stiffeners that can be taken into account in the shear buckling analysis
- Lateral-torsional buckling can also be checked for hollow sections (e.g. relevant for slender, high rectangular hollow sections)
- Automatic detection of members or member sets valid for the design (e.g. automatic deactivation of members with invalid material or members already contained in a set of members)
- Design settings can be adjusted individually for each member
- Graphical display of the results in the gross section or the effective section
- Output of the used design check formulas (including a reference to the used equation from the standard)
- How do I perform stability analysis to determine the critical load factor in RFEM 6?
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Programs Used for Structural Analysis
Main Program
The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions
2,550.00 USD
Add-on Module
Programmable interface (API) based on the COM technology
580.00 USD
