If the autorhythmic fibers in the Epicenter (Orgasmic Pacemaker) is untouched, she can experience the vaginal orgasm with contraction of the vaginal muscle, although it is weaker than these driven by the uterine contraction.
Since hysterectomy removed the major sexual hormonal receptors in her body, she needs natural hormonal replacement formula Viagrowth-IV (item 1-005) to elevate her testosterone and estrogen levels.
https://actionlove.com/mail/herbform.htm
You have to spend more time in massaging (preheating) her pubis/clitoral shaft and G-spot to get more testosterone and estrogen to engorge the Clitoris/G-spot/Epicenter(the degenerated prostate). Don't rush for love pumping. Practice my screwing technqiues for 5-10 minutes before pumping as shown in
https://actionlove.com/love/screw.htm

and she will appreciate you very much for your gentle action to avoid penetration and intercourse pains.
This is very critical for bring her over the edge since the testosterone and estrogen storages in the uterus is no longer existing. Let her have 1 tablet of ViaGrowth-IV one hour prior to sex, and then let her watch an porn movies while stimulate her clitoris and G-spot at the same. Her testosterone burst and burning will drive her over the edge.
This is the test drive for her orgasm.
The 2-point and 3-point Excitation Methods are very effective to help her out.
https://actionlove.com/love/method.htm