正常振動模式 的英文怎麼說

中文拼音 [zhēngchángzhèndòngshì]
正常振動模式 英文
mode of normal vibrations
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 正常 : normal; regular; average
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  • 模式 : model; mode; pattern; type; schema
  1. Mode of normal vibrations

    正常振動模式
  2. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相比熱完全氣體的歐拉方程組和有限體積tvd格在局部交的網格上進行了二維數值擬。將消除兩種介質界面處數值蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。
  3. A powerful tool of dynamical system analysis named normal form method is presented in this dissertation, and then it was used to analyze oscillation phenomena in interconnected power grids. using nonlinear coordinate transformation of normal forms, a fully described power system can be converted to an equivalent reduced order model, which can still use the conventional modal analysis of small signal stability problems

    論文將力系統非線性分析的規形理論應用於互聯系統低頻蕩分析中,利用規形方法的非線性坐標變換,將高階電力系統轉化為等價的低階系統,在保留非線性信息的同時,使其仍然可以使用規小信號穩定研究的分析方法。
  4. Secondly, been generalized the failure data of electrical connectors from working and testing environment, electric contact failure, insulation failure, mechanical connection failure and other failure are four mainly failure modes of connectors, moreover, built the faulty - tree to analyze their reliability level. however, contact fault failure was the most prevalent mode of electrical connectors. under natural working and reserving conditions, the contact stress decreasing, fretting and surface film growing are mainly reasons to make electrical connector failure

    其次,通過對現場、試驗場電連接器的失效情況進行統計和分析,總結出電連接器的四種主要失效:電接觸失效、絕緣失效、機械連接失效和其他失效,並對電連接器進行了故障樹分析,指出電接觸失效是電連接器失效的主要形,而在的工作條件下,造成電接觸失效,即決定電連接器工作壽命的主要原因是氧化膜層的生長、接觸對磨損以及磨損腐蝕物的堆積,而影響氧化膜層的生長、接觸對磨損以及磨損腐蝕物堆積的主要因素是環境和溫度應力,為電連接器進行失效機理分析奠定了基礎。
  5. It is not like expert system, which needs repeat three periods - conceptualization, formalization and improvement. in this paper, research the fault gears " three models by the vibration signal. pick up the character vector by using the wavelet packet and energy method as the ann input neural vector

    本文以齒輪箱為研究對象,在齒輪、齒根裂紋、齒面非點蝕三種下,對信號加以分析,運用「小波包?能量」法提取出信號特徵量,作為神經網路的輸入向量,採用包括有輸入層、單隱層和輸出層的bp網路。
  6. High - resolution nnd scheme and fully implicit dual - time stepping method were adopted in the three - dimensional vibrating cascade flow calculation. thus, the correct simulation of the shock in transonic flow and the efficiency of calculation were both taken into consideration

    在三維葉柵流數值擬中,採用高解析度tvd類型的格和全隱雙時間方法,保證了對流擬,準確地捕捉了跨音流中的激波,其計算效率非高。
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