CREEP: Define time-dependent, viscoplastic behavior (creep and swelling). 定義和時(shí)間相關(guān)的、粘塑性的運(yùn)動（蠕變和膨脹）

DFLOW: Define nonuniform pore fluid velocity in a consolidation analysis. 在壓實(shí)分析中，定義非均勻孔隙流速度

DFLUX: Define nonuniform distributed flux in a heat transfer or mass diffusion analysis. 在熱傳遞和質(zhì)量擴(kuò)散分析中，定義非均勻的分布流量

DISP: Specify prescribed boundary conditions. 指定規(guī)定的邊界條件

DLOAD: Specify nonuniform distributed loads. 指定非均勻的分布荷載

FILM: Define nonuniform film coefficient and associated sink temperatures for heat transfer analysis. 對熱傳遞分析指定非均勻的膜層散熱系數(shù)和聯(lián)合的散熱器溫度

FLOW: Define nonuniform seepage coefficient and associated sink pore pressure for consolidation analysis. 對壓實(shí)分析定義非均勻的滲流系數(shù)和滲入孔隙壓力

FRIC: Define frictional behavior for contact surfaces. 對接觸面定義摩擦

GAPCON: Define conductance between contact surfaces or nodes in a fully coupled temperature-displacement analysis or pure heat transfer analysis. 在一個完全耦合的溫度—置換分析或者是純熱傳遞分析中，定義接觸面或節(jié)點(diǎn)間的導(dǎo)熱系數(shù)。

GAPELECTR: Define electrical conductance between surfaces in a coupled thermal-electrical analysis. 在耦合熱電分析中，定義表面間的導(dǎo)電系數(shù)

HARDINI: Define initial equivalent plastic strain and initial backstress tensor. 定義初始等效應(yīng)變和初始反應(yīng)力張量

HETVAL: Provide internal heat generation in heat transfer analysis. 在熱傳遞分析中提供初始熱

MPC: Define multi-point constraints. 定義多點(diǎn)約束

ORIENT: Provide an orientation for defining local material directions or local directions for kinematic coupling constraints or local rigid body directions for inertia relief. 為定義局部材料方向提供定位；運(yùn)動學(xué)耦合約束的局部方向；慣性釋放的局部剛體方向。

RSURFU: Define a rigid surface. 定義一個剛性面

SDVINI: Define initial solution-dependent state variable fields. 定義初始和結(jié)果相關(guān)的變量場

SIGINI: Define an initial stress field. 定義初始應(yīng)力場

UCORR: Define cross-correlation properties for random response loading. 為隨機(jī)相應(yīng)荷載定義互相關(guān)屬性

UEL: Define an element. 定義單元

UEXPAN: Define incremental thermal strains. 定義增加的熱應(yīng)變

UEXTERNALDB: Manage user-defined external databases and calculate model-independent history information. 管理用戶定義的外部數(shù)據(jù)和計(jì)算與模型無關(guān)的歷史資料。

UFIELD: Specify predefined field variables. 指定預(yù)定義的場變量

UFLUID: Define fluid density and fluid compliance for hydrostatic fluid elements. 為靜水力學(xué)流體單元定義流體密度和流體柔量。

UGENS: Define the mechanical behavior of a shell section. 定義一個殼截面的機(jī)械運(yùn)動

UHARD: Define the yield surface size and hardening parameters for isotropic plasticity or combined hardening models. 在等方性塑性或者組合硬化模型中，定義屈服面尺寸和硬化系數(shù)

UHYPEL: Define a hypoelastic stress-strain relation. 定義一個次彈性的應(yīng)力應(yīng)變關(guān)系

UHYPER: Define a hyperelastic material. 定義一個超彈性材料

UINTER: Define surface interaction behavior for contact surfaces. 為接觸面定義表面相互作用

UMASFL: Specify prescribed mass flow rate conditions for a convection/diffusion heat transfer analysis. 在對流\擴(kuò)散熱傳遞分析中，指定規(guī)定的質(zhì)量流動比條件

UMAT: Define a material’s mechanical behavior 定義材料的機(jī)械運(yùn)動

UMATHT: Define a material’s thermal behavior. 定義材料的熱運(yùn)動

UMESHMOTION: Specify mesh motion constraints during adaptive meshing. 在適應(yīng)的網(wǎng)格劃分中，指定網(wǎng)格運(yùn)動約束

UMOTION: Specify motions during cavity radiation heat transfer analysis or steady-state transport analysis. 在輻射熱傳遞分析或穩(wěn)態(tài)傳輸分析中，指定運(yùn)動

UMULLINS: Define damage variable for the Mullins effect material model. 對馬林斯效應(yīng)材料模型定義損傷變量

UPOREP: Define initial fluid pore pressure. 定義初始孔隙流壓力

UPRESS: Specify prescribed equivalent pressure stress conditions. 指定規(guī)定的換算壓應(yīng)力條件

UPSD: Define the frequency dependence for random response loading. 對隨即響應(yīng)荷載定義頻率相關(guān)

URDFIL: Read the results file. 讀取結(jié)果文件

USDFLD: Redefine field variables at a material point. 再一次定義材料場變量

UTEMP: Specify prescribed temperatures. 指定規(guī)定的溫度

UTRACLOAD: Specify nonuniform traction loads. 指定非均勻牽引荷載

UTRS: Define a reduced time shift function for a viscoelastic material. 對粘彈性材料定義一個簡化的時(shí)間轉(zhuǎn)換函數(shù)

UVARM: Generate element output. 形成單元輸出

UWAVE: Define wave kinematics for an ABAQUS/Aqua analysis. 對ABAQUS/AQUA分析定義波浪運(yùn)

VOIDRI: Define initial void ratios. 定義初始孔隙比

VDLOAD: Specify nonuniform distributed loads. 指定非均勻的分布荷載

VFRIC: Define frictional behavior for contact surfaces. 對接觸面定義摩擦

VUINTER: Define the interaction between contact surfaces. 在接觸面之間定義相互作用

VUMAT: Define material behavior. 定義材料特性