The paper establishes neural network model of bolt shotcrete support design in tunnel based on the theory of BP network.
根据BP网络的基本原理，建立了隧道锚喷支护设计的神经网络模型。
In this paper, by the model test, authors study some design of support structure system with three-lane road tunnel of small-scale and high-span.
本文针对高跨比较小的三车道公路隧道，结合某工程设计的支护结构体系进行了模型试验研究，并进行了必要的有限元计算分析。
The design reference wind speed and related wind characteristic parameters of the bridge are derived from the wind tunnel test of a terrain model of the bridge site.
通过模拟桥址地形的风洞试验，确定桥梁设计基准风速和相关的风特性参数，使得到的风速真正反映桥址处风的实际状况。
This paaer presents selected results from several investigations of ari inlet design and performance. Diagnodtic data are from airfame-inlet model wind tunnel tests and CFD simulations.
提供的结果来自飞机进气道的设计和性能研究，分析所用的数据来源于进气道模型风洞实验和CFD数值模拟。
The conclusions believed to be useful to improve the design of transonic wind tunnel and model tests.
其结论对改善跨音速风洞设计和模型试验是有用的。
This paper presents the methods of free flight spin test and rotation balance test in vertical wind tunnel, the design of test model is briefly expounded.
介绍了立式风洞自由飞尾旋试验和旋转天平试验的方法，简述了试验模型的设计。
By adopting the SES software of the Ministry of Communications of USA, a model was built and computation was carried out for the tunnel ventilation optimizing project design of Xi an Metro Line 2.
通过使用美国交通部SES软件，对西安地铁2号线隧道通风的优化方案设计进行建模计算。
In the second chapter, we use the heat supply tunnel design of Beijing as the research background. We choose the "load-structure" mechanical model as the calculation model.
第二章以北京热力隧道为研究背景，确立以“荷载—结构”力学模型作为北京热力隧道衬砌计算模型。
In this paper, basic design information is first described, followed by briefly introduction to section model and full aeroelastic model wind tunnel tests.
介绍了该桥的设计基本情况、三汊矶大桥节段模型和全桥模型风洞试验情况。
The development of aircraft is an iterative procedure of "design-model-test-design", and needs to manufacture several models for wind tunnel test.
飞机的研制是一个“设计-模型-实验-设计”的多次迭代过程，需要制造许多用于风洞试验的缩比模型。
The development of aircraft is an iterative procedure of "design-model-test-design", and needs to manufacture several models for wind tunnel test.
飞机的研制是一个“设计-模型-实验-设计”的多次迭代过程，需要制造许多用于风洞试验的缩比模型。
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