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LORENTZ-HFTM是LORENTZTM的高頻版本，是一種易于使用的3D全波電磁模擬器，它基于CFIE（組合場積分方程），結(jié)合了在高頻率存在下分析帶電粒子軌跡的能力頻率點磁場。
它使用矩量法（MoM）（或邊界元法）與SINGULATM中的物理光學(xué)相結(jié)合，并與LORENTZTM的射線追蹤和發(fā)射機(jī)制和二次發(fā)射能力相結(jié)合。
LORENTZ-HFTM還計算近場和遠(yuǎn)場結(jié)果、功率和方向增益、雷達(dá)截面、軸比以及輸入阻抗、導(dǎo)納和散射參數(shù)。
它特別適用于影響很多大功率真空電子設(shè)備設(shè)計的多核放點現(xiàn)象的早期仿真和解決。
LORENTZ-HFTM是LORENTZ的低頻版本，可以以類似的方式組合LORENTZ-LFE和LORENTZ-LFM。
特征：
物理光學(xué)與MoM混合，以解決基本MoM或FEM無法處理的大型天線盤等問題
二次發(fā)射是可用的，發(fā)射概率取決于一次撞擊能量
粒子與重力、粘度和流動性的相互作用，通過殘余氣體碰撞散射
來源包括：入射平面波、增量電壓、線電壓、波導(dǎo)和磁褶邊
可以根據(jù)H、B、E、D、J、Z、S、Y等參數(shù)創(chuàng)建各種圖形和繪圖（近場、遠(yuǎn)場、矩形、Smith圓圖、輻射圖）
顯示電流、場和輸入阻抗的矩形圖。顯示功率增益和坐標(biāo)圖、電流和場的等高線。顯示輻射方向圖的3D表面圖并顯示S參數(shù)的Smith圖
將結(jié)果導(dǎo)出到文本文件
參數(shù)部分允許用戶自定義更改模型幾何形狀、材料、邊界和電壓條件等
LORENTZ-HFTM也可以與集成低頻電或磁解算器混合，以包括以下效果：
各種排放方案，包括：Fowler-Nordheim、Child's Law、Richardson-Dushman、Schottky和Extended Schottky
模擬透鏡聚焦特性、光束發(fā)射率和空間電荷
應(yīng)用：
電子槍
離子槍
離子注入機(jī)
納米管場發(fā)射器
X射線
離子推進(jìn)
光斑尺寸
轉(zhuǎn)向磁鐵
電子顯微鏡
離子遷移譜
離子阱
離子質(zhì)譜儀
導(dǎo)流板
系統(tǒng)要求：
64位操作系統(tǒng)
Microsoft Windows 10 或更高版本
安裝需要大約110MB的磁盤空間
3D程序：
至少4GB的RAM運行，但對于應(yīng)該使用16GB或更多RAM的較大問題，不建議這樣做。使用的RAM越多，解決問題的速度就越快
強烈建議使用多核處理器，因為3D程序是多線程的
【英文介紹】
LORENTZ-HFTM, the high frequency version of LORENTZTM, is an easy-to-use 3D full-wave electromagnetic simulator based on CFIE (combined-field integral equation) combined with the ability to analyze charged particle trajectories in the presence of high frequency electromagnetic fields.
It uses the Method of Moments (MoM) (or Boundary Element Method) coupled with Physical Optics found in SINGULATMand is coupled with the ray tracing and powerful emission regime and secondary emission capabilities of LORENTZTM.
LORENTZ-HFTM also calculates near and far field results, power and directive gain, radar cross-section, axial ratio, and input impedance, admittance and scattering parameters.
It is uniquely suited for early-stage simulation and resolution of the Multipactor Discharge phenomenon affecting many high-power vacuum electronics device designs.
LORENTZ-HFTMcan also be combined with electrostatics, magnetostatics and time-domain solvers for LORENTZ-HFE, LORENTZ-HFM and LORENTZ-HFTD.
LORENTZ-LFTM, the low frequency version of LORENTZ can be combined in a similar way for LORENTZ-LFE and LORENTZ-LFM.
Features
Physical Optics hybridized into MoM to solve problems such as large antenna dishes that basic MoM or FEM cannot handle.
Full secondary emission is available with a probabilistic chance of emission depending on primary impact energies.
Particle interaction with gravity, viscosity, and mobility, scattering through residual gas collisions.
Sources include: Incident plane wave, delta voltage, line voltage, waveguide, and magnetic frill.
A wide range of graphs & plots (near field, far field, rectangular, Smith Charts, radiation patterns) can be created based on parameters such as H, B, E, D, J, Z, S, Y.
Display rectangular plots of current, fields and input impedance. Display polar plots of power gain, contours of currents and fields. Display 3D surface plots of radiation patterns and display Smith charts of s-parameters.
Export results to text files.
Powerful parametric section enables user-defined changes to model geometries, materials, boundary and voltage conditions etc.
LORENTZ-HFTM can also be hybridized with INTEGRATED low frequency electric or magnetic solvers to include effects such as:
Various emission regimes, including: Fowler-Nordheim, Child's Law, Richardson-Dushman, Schottky and Extended Schottky.
Simulate lens focusing properties, beam emittance and space charge.
