Finally the magnetic field equation from maxwell ' s equations and the current circuit equation are given to complete the mhd equations 最后進(jìn)行電流回路方程與磁流體力學(xué)方程組的耦合,并且補(bǔ)充電磁邊界條件,完善定解條件。
A finite element formulation ( direct method ) is developed to analyse the magnetic fields in constrained electrical circuits by combining field and circuit equations . 本文采用場路結(jié)合的分析法,構(gòu)造了在這一混合激勵情況下,對電磁場邊值問題進(jìn)行直接計(jì)算的互補(bǔ)有限元方程。
Firstly , the contributing factors leading to reignition and over - voltage are briefly discussed . then , with the aid the systematic simplified model and circuit equation , the thesis analyzes in detail the types and range of over - voltage of the capacitor banks under different circuit and switching conditions . the damage and the expected control level are identified 論文首先簡要論述了重燃現(xiàn)象及過電壓的成因;然后借助系統(tǒng)簡化模型和電路方程,具體分析計(jì)算了不同電路和操作條件下投切電容器組過電壓發(fā)生的類型和幅值,明確了危害的程度和需要控制的目標(biāo)水平。
The mathematical model of non - linear transient magnetic field excited by voltage source is established in this paper . it coupled with electric circuit equation and mechanical motion equation , could solve the transient problem excited by voltage source , and the effect of the eddy currents , non - linearity in magnetic materials and mechanical motion of medium is taken into account 文中建立了電壓源激磁下的非線性瞬態(tài)磁場的數(shù)學(xué)模型,通過把瞬態(tài)磁場方程、電路方程及機(jī)械運(yùn)動方程耦合在一起,得出求解電壓源激磁下,考慮鐵磁材料的非線性、導(dǎo)電媒質(zhì)的渦流及媒質(zhì)機(jī)械運(yùn)動等條件下的瞬態(tài)過程問題。
On the base of achieved research production , the following study aspects are carried through in this thesis : 1 ) in allusion to lorenz chaos circuit , the relation of circuit equation ' s parameters to elements " values is put forward , as a result , that whether the circuit engenders chaotic phenomenon can be easily estimated . with respect to the chua ' s circuit , a simulated inductor is designed , chua ' s circuit is also improved by means of simulated inductor , and then , it becomes very easy to make chua circuit apply to practical engineering 本文在分析了已有研究成果的基礎(chǔ)上,進(jìn)行了以下方面的研究: 1 )針對lorenz混沌電路,給出電路方程參數(shù)與元件值之間的關(guān)系,可以從元件數(shù)值判斷電路是否產(chǎn)生混沌現(xiàn)象;針對目前研究最廣泛的chua電路,利用模擬電感改進(jìn)了chua電路,便于電路的工程實(shí)現(xiàn)。
circuit: n. 1.(某一范圍的)周邊一圈;巡回,周游;巡回路線[ ...equation: n. 1.平衡,均衡;平均,相等。 2.【數(shù)學(xué)】方程式, ...equation, circuit: 電路方程active circuit mesh equation: 有功電路網(wǎng)絡(luò)方程lumped constant circuit equation: 集總常數(shù)電路方程nonlinear circuit equation: 非線性電路方程oscillation equation of series circuit: 串聯(lián)電路的振蕩方程by equation: 按方程式equation: n. 1.平衡,均衡;平均,相等。 2.【數(shù)學(xué)】方程式,等式。 3.【天文學(xué)】(時)差;均分,等分。 4.【化學(xué)】反應(yīng)式。 algebraic [linear, simple, quadratic, cubic, simultaneous] equation 代數(shù)(一次,一元一次,二次,三次,聯(lián)立)方程式。 differential equation 微分方程。 an identical equation 恒等式。 equation of light 【天文學(xué)】光行時差。 equation of payments 平均分期付款。 equation of state 【物理學(xué)】物態(tài)方程式。 equation of time 【天文學(xué)】時差。 personal equation 【天文學(xué)】觀測上的個人誤差。 equation of: 次方程and circuit: 及電路; 與電路; 與門電路and not circuit: 與非邏輯電路and or circuit: 與或 電路; 與或電路and to and circuit: 與與電路and-circuit: “與”門電路and-not circuit: 與非電路; 與-非電路and-or circuit: 與或電路; “與或”電路be on circuit: 在巡回當(dāng)中be the circuit of: 繞...環(huán)行circuit: n. 1.(某一范圍的)周邊一圈;巡回,周游;巡回路線[區(qū)域];迂路。 2.巡回審判(區(qū));巡回律師會。 3.【電學(xué)】電路,線路;回路,環(huán)道。 4.同行業(yè)聯(lián)合組織;(戲院等的)輪演系統(tǒng);輪回演出(節(jié)目)[上映(影片)]的戲院。 5.事物變化的順序。 a postman's circuit郵遞員的送信路線。 closed [open] circuit【電學(xué)】通[斷]路。 return circuit【電學(xué)】回路。 integrated circuit集成電路。 be in circuit with 和…接成電路。 go the circuit of 繞…環(huán)行。 make a circuit 繞遠(yuǎn)路,迂回。 make the circuit of 繞…一圈。 ride the circuit (巡回法官)作巡回審判。 vt.,vi. (繞…)環(huán)行。 in circuit: 恢復(fù)循環(huán),在線路內(nèi)in circuit with: 接到...上in-circuit: 在線、在線路中 內(nèi)電路no circuit: 無線路not and circuit: 與非電路